The Power of Pure CSS - No JavaScript Needed

<details>
  <summary>Item 1</summary>
  <div>
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
  </div>
</details>
<details>
  <summary>Item 2</summary>
  <div>
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
  </div>
</details>
<details>
  <summary>Item 3</summary>
  <div>
    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
  </div>
</details>

html, body {color: #fff; background-color: #131417; padding: 15px;}

$fluent-timing: cubic-bezier(.16,1,.29,.99);

@mixin bezier-trans($style: all) {
  $style: unquote($style);
  transition-property: $style;
  transition-duration: .4s;
  transition-timing-function: $fluent-timing;
}

@keyframes fontSizeIn {
	0% {
    font-size: 0;
    opacity: 0;
	}

100% {
    font-size: initial;
    opacity: 0; 
	}
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }

100% {
		opacity: 1;
	}
}

details {
  width: 750px;
  margin: auto;

+ details {
    margin-top: 15px;
  }

::-webkit-details-marker {
    display: none; // Hide marker for Blink and Webkit
  }

summary {
    list-style-type: none; // Hide marker for Gecko
    cursor: pointer;
    padding: 5px;

&::after {
      content: "\f107";
      font-family: "Font Awesome 5 Pro";
      display: block;
      float: right;

@include bezier-trans();
    }

+ div {
      margin-top: 10px;
      padding: 5px;
    }
  }

&[open] {
    summary::after {
      transform: rotate(180deg);
    }
 
    div {
      animation-name: fontSizeIn, fadeIn;
      animation-duration: 160ms, 160ms;
      animation-delay: 0ms, 160ms;
    }
  }
}

24

Pure CSS Animated Accordion

By: pixeldev

<div class="main">
  <h1>Responsive Card Grid Layout</h1>
  <ul class="cards">
    <li class="cards_item">
      <div class="card">
        <div class="card_image"><img src="https://picsum.photos/500/300/?image=10"></div>
        <div class="card_content">
          <h2 class="card_title">Card Grid Layout</h2>
          <p class="card_text">Demo of pixel perfect pure CSS simple responsive card grid layout</p>
          <button class="btn card_btn">Read More</button>
        </div>
      </div>
    </li>
    <li class="cards_item">
      <div class="card">
        <div class="card_image"><img src="https://picsum.photos/500/300/?image=5"></div>
        <div class="card_content">
          <h2 class="card_title">Card Grid Layout</h2>
          <p class="card_text">Demo of pixel perfect pure CSS simple responsive card grid layout</p>
          <button class="btn card_btn">Read More</button>
        </div>
      </div>
    </li>
    <li class="cards_item">
      <div class="card">
        <div class="card_image"><img src="https://picsum.photos/500/300/?image=11"></div>
        <div class="card_content">
          <h2 class="card_title">Card Grid Layout</h2>
          <p class="card_text">Demo of pixel perfect pure CSS simple responsive card grid layout</p>
          <button class="btn card_btn">Read More</button>
        </div>
      </div>
    </li>
    <li class="cards_item">
      <div class="card">
        <div class="card_image"><img src="https://picsum.photos/500/300/?image=14"></div>
        <div class="card_content">
          <h2 class="card_title">Card Grid Layout</h2>
          <p class="card_text">Demo of pixel perfect pure CSS simple responsive card grid layout</p>
          <button class="btn card_btn">Read More</button>
        </div>
      </div>
    </li>
    <li class="cards_item">
      <div class="card">
        <div class="card_image"><img src="https://picsum.photos/500/300/?image=17"></div>
        <div class="card_content">
          <h2 class="card_title">Card Grid Layout</h2>
          <p class="card_text">Demo of pixel perfect pure CSS simple responsive card grid layout</p>
          <button class="btn card_btn">Read More</button>
        </div>
      </div>
    </li>
    <li class="cards_item">
      <div class="card">
        <div class="card_image"><img src="https://picsum.photos/500/300/?image=2"></div>
        <div class="card_content">
          <h2 class="card_title">Card Grid Layout</h2>
          <p class="card_text">Demo of pixel perfect pure CSS simple responsive card grid layout</p>
          <button class="btn card_btn">Read More</button>
        </div>
      </div>
    </li>
  </ul>
</div>

/* Font */
@import url('https://fonts.googleapis.com/css?family=Quicksand:400,700');

/* Design */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background-color: #ecf9ff;
}

body {
  color: #272727;
  font-family: 'Quicksand', serif;
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0;
  padding: 1rem;
}

.main{
  max-width: 1200px;
  margin: 0 auto;
}

h1 {
    font-size: 24px;
    font-weight: 400;
    text-align: center;
}

img {
  height: auto;
  max-width: 100%;
  vertical-align: middle;
}

.btn {
  color: #ffffff;
  padding: 0.8rem;
  font-size: 14px;
  text-transform: uppercase;
  border-radius: 4px;
  font-weight: 400;
  display: block;
  width: 100%;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
}

.btn:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

.cards {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.cards_item {
  display: flex;
  padding: 1rem;
}

@media (min-width: 40rem) {
  .cards_item {
    width: 50%;
  }
}

@media (min-width: 56rem) {
  .cards_item {
    width: 33.3333%;
  }
}

.card {
  background-color: white;
  border-radius: 0.25rem;
  box-shadow: 0 20px 40px -14px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.card_content {
  padding: 1rem;
  background: linear-gradient(to bottom left, #EF8D9C 40%, #FFC39E 100%);
}

.card_title {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: capitalize;
  margin: 0px;
}

.card_text {
  color: #ffffff;
  font-size: 0.875rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;    
  font-weight: 400;
}
.made_by{
  font-weight: 400;
  font-size: 13px;
  margin-top: 35px;
  text-align: center;
}

24

Responsive Card Grid Layout

By: pixeldev

<div class="main">
  <h1>Responsive Card Grid Layout</h1>
  <ul class="cards">
    <li class="cards_item">
      <div class="card">
        <div class="card_image"><img src="https://picsum.photos/500/300/?image=10"></div>
        <div class="card_content">
          <h2 class="card_title">Card Grid Layout</h2>
          <p class="card_text">Demo of pixel perfect pure CSS simple responsive card grid layout</p>
          <button class="btn card_btn">Read More</button>
        </div>
      </div>
    </li>
    <li class="cards_item">
      <div class="card">
        <div class="card_image"><img src="https://picsum.photos/500/300/?image=5"></div>
        <div class="card_content">
          <h2 class="card_title">Card Grid Layout</h2>
          <p class="card_text">Demo of pixel perfect pure CSS simple responsive card grid layout</p>
          <button class="btn card_btn">Read More</button>
        </div>
      </div>
    </li>
    <li class="cards_item">
      <div class="card">
        <div class="card_image"><img src="https://picsum.photos/500/300/?image=11"></div>
        <div class="card_content">
          <h2 class="card_title">Card Grid Layout</h2>
          <p class="card_text">Demo of pixel perfect pure CSS simple responsive card grid layout</p>
          <button class="btn card_btn">Read More</button>
        </div>
      </div>
    </li>
    <li class="cards_item">
      <div class="card">
        <div class="card_image"><img src="https://picsum.photos/500/300/?image=14"></div>
        <div class="card_content">
          <h2 class="card_title">Card Grid Layout</h2>
          <p class="card_text">Demo of pixel perfect pure CSS simple responsive card grid layout</p>
          <button class="btn card_btn">Read More</button>
        </div>
      </div>
    </li>
    <li class="cards_item">
      <div class="card">
        <div class="card_image"><img src="https://picsum.photos/500/300/?image=17"></div>
        <div class="card_content">
          <h2 class="card_title">Card Grid Layout</h2>
          <p class="card_text">Demo of pixel perfect pure CSS simple responsive card grid layout</p>
          <button class="btn card_btn">Read More</button>
        </div>
      </div>
    </li>
    <li class="cards_item">
      <div class="card">
        <div class="card_image"><img src="https://picsum.photos/500/300/?image=2"></div>
        <div class="card_content">
          <h2 class="card_title">Card Grid Layout</h2>
          <p class="card_text">Demo of pixel perfect pure CSS simple responsive card grid layout</p>
          <button class="btn card_btn">Read More</button>
        </div>
      </div>
    </li>
  </ul>
</div>

/* Font */
@import url('https://fonts.googleapis.com/css?family=Quicksand:400,700');

/* Design */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background-color: #ecf9ff;
}

body {
  color: #272727;
  font-family: 'Quicksand', serif;
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0;
  padding: 1rem;
}

.main{
  max-width: 1200px;
  margin: 0 auto;
}

h1 {
    font-size: 24px;
    font-weight: 400;
    text-align: center;
}

img {
  height: auto;
  max-width: 100%;
  vertical-align: middle;
}

.btn {
  color: #ffffff;
  padding: 0.8rem;
  font-size: 14px;
  text-transform: uppercase;
  border-radius: 4px;
  font-weight: 400;
  display: block;
  width: 100%;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
}

.btn:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

.cards {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.cards_item {
  display: flex;
  padding: 1rem;
}

@media (min-width: 40rem) {
  .cards_item {
    width: 50%;
  }
}

@media (min-width: 56rem) {
  .cards_item {
    width: 33.3333%;
  }
}

.card {
  background-color: white;
  border-radius: 0.25rem;
  box-shadow: 0 20px 40px -14px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.card_content {
  padding: 1rem;
  background: linear-gradient(to bottom left, #EF8D9C 40%, #FFC39E 100%);
}

.card_title {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: capitalize;
  margin: 0px;
}

.card_text {
  color: #ffffff;
  font-size: 0.875rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;    
  font-weight: 400;
}
.made_by{
  font-weight: 400;
  font-size: 13px;
  margin-top: 35px;
  text-align: center;
}

23

Responsive Card Grid Layout using Pure CSS

By: pixeldev

@-webkit-keyframes {
}
@-webkit-keyframes extend {
    0% {
        width: 600px;
        height: 200px;
        border-radius: 100px;
        } 10% {
        width: 610px;
        height: 210px;
        background: #fff;
        margin-left: - 5px;
        margin-top: - 5px;
        } 20% {
        width: 600px;
        height: 200px;
        background: #6fb07f;
        margin-left: 0px;
        margin-top: 0px;
        } 100% {
        width: 200px;
        height: 200px;
        border-radius: 100px;
        margin-left: 190px;
        background: #6fb07f;
        }
    }
@keyframes extend {
    0% {
        width: 600px;
        height: 200px;
        border-radius: 100px;
        } 10% {
        width: 610px;
        height: 210px;
        background: #fff;
        margin-left: - 5px;
        margin-top: - 5px;
        } 20% {
        width: 600px;
        height: 200px;
        background: #6fb07f;
        margin-left: 0px;
        margin-top: 0px;
        } 100% {
        width: 200px;
        height: 200px;
        border-radius: 100px;
        margin-left: 190px;
        background: #6fb07f;
        }
    }
@-webkit-keyframes {
}
@-webkit-keyframes disappear {
    0% {
        opacity: 1;
        } 20% {
        color: #fff;
        } 100% {
        opacity: 0;
        }
    }
@keyframes disappear {
    0% {
        opacity: 1;
        } 20% {
        color: #fff;
        } 100% {
        opacity: 0;
        }
    }
@-webkit-keyframes {
}
@-webkit-keyframes appear {
    0% {
        opacity: 0;
        } 70% {
        opacity: 0;
        } 100% {
        opacity: 1;
        }
    }
@keyframes appear {
    0% {
        opacity: 0;
        } 70% {
        opacity: 0;
        } 100% {
        opacity: 1;
        }
    }
html {
    background: #fff
    }

input, button, submit {
    border: none
    }

.cont {
    position: absolute;
    width: 610px;
    height: 10px;
    left: 50%;
    top: 50%;
    margin: -100px 0 0 -300px
    }

button {
    border-width: 1px;
    width: 600px;
    height: 200px;
    /*border-radius*/
    border-radius: 100px;
    background: #fff;
    position: absolute;
    border: 5px solid #6fb07f
    }

button > span {
    font-size: 48px;
    color: #6fb07f
    }

img {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
    filter: alpha(opacity=0);
    opacity: 0
    }

button:focus {
    /*animation*/
    -webkit-animation: extend 1s ease-in-out;
    -ms-animation: extend 1s ease-in-out;
    animation: extend 1s ease-in-out;
    -webkit-animation-fill-mode: forwards;
    /* Chrome, Safari, Opera */
    animation-fill-mode: forwards
    }

button:focus > span {
    /*animation*/
    -webkit-animation: disappear 1s ease-in-out;
    -ms-animation: disappear 1s ease-in-out;
    animation: disappear 1s ease-in-out;
    -webkit-animation-fill-mode: forwards;
    /* Chrome, Safari, Opera */
    animation-fill-mode: forwards
    }

button:focus > img {
    /*animation*/
    -webkit-animation: appear 1s ease-in-out;
    -ms-animation: appear 1s ease-in-out;
    animation: appear 1s ease-in-out;
    -webkit-animation-fill-mode: forwards;
    /* Chrome, Safari, Opera */
    animation-fill-mode: forwards
    }

22

Submit Button pure css animation

By: pixeldev

22

A Growing (Pure CSS) Hexagon

By: pixeldev

22

Mouse in and out Hover Effect

By: Nethan Pogi

@import url("https://fonts.googleapis.com/css?family=Open+Sans:300,600");

body {
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
  font-smoothing: antialiased;
  height: 100vh;
  font-family: 'Open Sans', sans-serif;
}

h1 {
  font-size: 50px;
  text-align: center;
  font-weight: 300;
  color: #777;
  margin-bottom: 0;
}

h2 {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 16px;
  color: #bbb;
}

.icons {
  font-size: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.icon {
  display: inline-block;
  width: 40px;
  height: 50px;
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  margin: 0 5px;
}

.icon::after {
  content: '';
  position: absolute;
  display: block;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-radius: 0 2px;
  transition: all 0.2s linear;
  backface-visibility: hidden;
}

/* DOC */
.icon--doc {
  background-color: #4285f4;
}
.icon--doc::after {
  background: linear-gradient(45deg, #669df6 50%, #fff 50%);
}
.icon--doc i::before {
  content: '☰';
}

/* PDF */
.icon--pdf {
  background-color: #db4437;
}
.icon--pdf::after {
  background: linear-gradient(45deg, #e36a60 50%, #fff 50%);
}
.icon--pdf i::before {
  content: '☵';
}

/* SHEETS */
.icon--sheets {
  background-color: #0f9d58;
}
.icon--sheets::after {
  background: linear-gradient(45deg, #39b378 50%, #fff 50%);
}
.icon--sheets i::before {
  content: '⊟';
}

/* SLIDES */
.icon--slides {
  background-color: #f5b707;
}
.icon--slides::after {
  background: linear-gradient(45deg, #f8c53f 50%, #fff 50%);
}
.icon--slides i::before {
  content: '⧉';
}

/* CODE */
.icon--code {
  background-color: #00a78e;
}
.icon--code::after {
  background: linear-gradient(45deg, #26bfa6 50%, #fff 50%);
}
.icon--code i::before {
  content: '< >';
}

.icon i {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: block;
  font-size: 10px;
  color: #fff;
  font-weight: 500;
}

.icon i::before,
.icon i::after {
  display: block;
  transition: all 0.2s linear;
}

.icon i::before {
  text-align: center;
  font-size: 12px;
  opacity: 0;
  transform: translateY(5px);
}

.icon i::after {
  content: attr(title);
  transform: translateY(-5px);
}

.icon:hover {
  border-radius: 2px 4px 2px 2px;
}

.icon:hover::after {
  width: 12px;
  height: 12px;
}

.icon:hover i::before {
  transform: translateY(0);
  opacity: 1;
}

.icon:hover i::after {
  transform: translateY(0);
}

22

Pure CSS – File icons with hover animation

By: pixeldev

body {
	background: #5fadd3;
}

.weather {
	background-color: #1c77ec;
	background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#1c77ec), to(#7deaff));
	background-image: -moz-linear-gradient(top, #1c77ec, #7deaff);
	background-image: -ms-linear-gradient(top, #1c77ec, #7deaff);
	border-radius: 20px;
	width: 100px;
	height: 100px;
	display: inline-block;
}

.weather:hover {
	animation: jiggle 0.2s infinite;
	-webkit-animation: jiggle 0.2s infinite;
    -moz-animation-duration: 0.2s;
    -moz-animation-name: jiggle;
    -moz-animation-iteration-count: infinite;
    -webkit-transform: rotate(-1deg);
    -moz-transform: rotate(-1deg);
}

.sun {
	background-color: #fada0b;
	border-radius: 100%;
	width: 40px;
	height: 40px;
	top: 20px;
	left: 15px;
	position: relative;
}

.cloud-main {
	opacity: 0.9;
	background: #fff;
	width: 65px;
	height: 25px;
	border-radius: 20px;
	position: relative;
	left: 25px;
	top: 10px;
}

.cloud-bubble-one {
	opacity: 1.0;
	background: #fff;
	width: 35px;
	height: 35px;
	position: relative;
	border-radius: 100%;
	left: 10px;
	top: -15px;
}

.cloud-bubble-two {
	opacity: 1.0;
	background: #fff;
	width: 30px;
	height: 25px;
	position: relative;
	border-top-right-radius: 20px;
	border-bottom-right-radius: 10px;
	left: 35px;
	top: -40px;
}

.notes {
	background: #fed32c;
	border-radius: 20px;
	width: 100px;
	height: 100px;
	display: inline-block;
}

.notes:hover {
	animation: jiggle 0.2s infinite;
	-webkit-animation: jiggle 0.2s infinite;
    -moz-animation-duration: 0.2s;
    -moz-animation-name: jiggle;
    -moz-animation-iteration-count: infinite;
    -webkit-transform: rotate(-1deg);
    -moz-transform: rotate(-1deg);
}

.note {
	background: #fff;
	height: 70px;
	width: 100px;
	border-bottom-right-radius: 20px;
	border-bottom-left-radius: 20px;
	position: relative;
	top: 30px;
	border-top: 3px solid #b9a046;
	box-sizing:border-box;
	-moz-box-sizing:border-box; /* Firefox */
}

.dotted-line {
	width: 100%;
	height: 3px;
	border-bottom: 3px dotted #acaead;
	position: relative;
}

.line {
	width: 100%;
	border-bottom: 2px solid #acaead;
	position: relative;
	height: 2px;
	padding-top: 15px;
}

.line-last {
	width: 90px;
	border-bottom: 2px solid #acaead;
	position: relative;
	height: 2px;
	padding-top: 15px;
	left: 5px;
	border-radius: 3px;
}

@keyframes jiggle {
    0% {
        transform: rotate(-1deg);
	}
	50% {
    	transform: rotate(1deg);
	}
}

@-webkit-keyframes jiggle {
    0% {
        -webkit-transform: rotate(-1deg);
	}
	50% {
    	-webkit-transform: rotate(1deg);
	}
}

@-moz-keyframes jiggle {
    0% {
        -moz-transform: rotate(-1deg);
	}
	50% {
		-moz-transform: rotate(1deg);
	}
}

21

Pure CSS iOS 7 Icons hover w/ Jiggle Effect

By: pixeldev

@import url('https://fonts.googleapis.com/css?family=Exo:400,700');

*{
    margin: 0px;
    padding: 0px;
}

body{
    font-family: 'Exo', sans-serif;
}

.context {
    width: 100%;
    position: absolute;
    top:50vh;
    
}

.context h1{
    text-align: center;
    color: #fff;
    font-size: 50px;
}

.area{
    background: #4e54c8;  
    background: -webkit-linear-gradient(to left, #8f94fb, #4e54c8);  
    width: 100%;
    height:100vh; 
}

.circles{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.circles li{
    position: absolute;
    display: block;
    list-style: none;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    animation: animate 25s linear infinite;
    bottom: -150px;
    
}

.circles li:nth-child(1){
    left: 25%;
    width: 80px;
    height: 80px;
    animation-delay: 0s;
}

.circles li:nth-child(2){
    left: 10%;
    width: 20px;
    height: 20px;
    animation-delay: 2s;
    animation-duration: 12s;
}

.circles li:nth-child(3){
    left: 70%;
    width: 20px;
    height: 20px;
    animation-delay: 4s;
}

.circles li:nth-child(4){
    left: 40%;
    width: 60px;
    height: 60px;
    animation-delay: 0s;
    animation-duration: 18s;
}

.circles li:nth-child(5){
    left: 65%;
    width: 20px;
    height: 20px;
    animation-delay: 0s;
}

.circles li:nth-child(6){
    left: 75%;
    width: 110px;
    height: 110px;
    animation-delay: 3s;
}

.circles li:nth-child(7){
    left: 35%;
    width: 150px;
    height: 150px;
    animation-delay: 7s;
}

.circles li:nth-child(8){
    left: 50%;
    width: 25px;
    height: 25px;
    animation-delay: 15s;
    animation-duration: 45s;
}

.circles li:nth-child(9){
    left: 20%;
    width: 15px;
    height: 15px;
    animation-delay: 2s;
    animation-duration: 35s;
}

.circles li:nth-child(10){
    left: 85%;
    width: 150px;
    height: 150px;
    animation-delay: 0s;
    animation-duration: 11s;
}

@keyframes animate {

0%{
        transform: translateY(0) rotate(0deg);
        opacity: 1;
        border-radius: 0;
    }
    100%{
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
        border-radius: 50%;
    }
}

21

Animated Background

By: Nethan Pogi

@import  url(https://fonts.googleapis.com/css?family=Montserrat);

*,
*::after,
*::before {
  box-sizing: border-box;
}

body {
  background: #39393A;
  font-size: 1.2rem;
  font-family: Montserrat;
  letter-spacing: 1px;
  color: white;
}

a {
  text-decoration: none;
  color: white;
}

em {
  font-style: normal;
}

section {
  width: 100%;
  height: 100vh;
  display: table;
}

section .center {
  display: table-cell;
  text-align: center;
  vertical-align: middle;
}

.button {
  position: relative;
  background: #E75A7C;
  display: inline-block;
  height: 60px;
  width: 200px;
  border-radius: 50em;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

span,
em,
i {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
}

span {
  overflow: hidden;
}

.button em {
  top: 0;
  line-height: 60px;
}

.button i {
  top: 100%;
  line-height: 60px;
}

.button:hover em,
.button.hover em{
  top: -100%;
}

.button:hover i,
.button.hover i{
  top: 0%;
}

em,
i {
  transition: top 0.3s;
}

.button::before,
.button::after {
  position: absolute;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.button::before {
  content: 'File Size: 5mb';
  width: 160px;
  height: 60px;
  background: #0E84A1;
  border-radius: 0.25em;
  bottom: 90px;
  line-height: 60px;
  left: calc(50% - 80px);
  font-size: 15px;
}

.button::after {
  content: '';
  width: 0px;
  height: 0px;
  border: 10px solid transparent;
  border-top-color: #0E84A1;
  bottom: 70px;
  left: calc(50% - 10px);
}

.button:hover::before,
.button:hover::after,
.button.hover::before,
.button.hover::after{
  opacity: 1;
  visibility: visible;
}

.button:hover::before,
.button.hover::before{
  bottom: 80px;
}

.button:hover::after,
.button.hover::after{
  bottom: 60px;
}

21

Animated Button with Tooltip (Pure CSS)

By: pixeldev

h1 {
  font-family: Arial, sans-serif;
  text-align: center;
}

h2, h3 {
  font-family: Arial, sans-serif;
}

.container {
  width: 600px;
  margin: auto;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

li {
  width: 50%;
  float: left;
}

.card-type {
    display: inline-block;
    text-align: left;
    width: 60px;
    height: 40px;
    background-color: #c8c8c8;
    border-radius: 5px;
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

.card-type::before, .card-type::after {
    content: '';
    position: absolute;
    box-sizing: border-box;
}

.card-type.visa {
    background-color: #fff;
    border-top: solid #1E3F8E 13px;
}

.card-type.visa::before {
    background-color: #1E3F8E;
    border: solid #fff 4px;
    border-width: 5px 10px;
    width: 60px;
    height: 14px;
    top: 0;
}

.card-type.visa::after {
    width: 100%;
    height: 13px;
    background-color: #DF9600;
    bottom: 0;
}

.card-type.mastercard {
    background-color: #1D468F;
}

.card-type.mastercard::before, .card-type.mastercard::after {
    width: 22px;
    height: 22px;
    border-radius: 14px;
    top: 0;
    bottom: 0;
    margin: auto;
}

.card-type.mastercard::before {
    background-color: #DB2142;
    left: 12px;
}

.card-type.mastercard::after {
    background-color: #FEC627;
    right: 12px;
}

.card-type.amex {
    background-color: #CAE2C3;
    border: solid 3px #6F8668;
    border-bottom: none;
}

.card-type.amex::before {
    width: 16px;
    height: 24px;
    border-radius: 8px/12px;
    background-color: #6F8668;
    margin: auto;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

.card-type.discover {
    background-color: #FF8A00;
}

.card-type.discover::before {
    width: 100px;
    height: 90px;
    border-radius: 50px/40px;
    background-color: #fff;
    top: -49px;
    left: -34px;
}

.card-type.discover::after {
    width: 30px;
    height: 4px;
    border-radius: 2px;
    background-color: #c8c8c8;
    margin: auto;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
}

20

Pure CSS Credit Card Type Icon

By: pixeldev

<div id="container">
<ul id="menu">
  <li><a href="#">About Me</a>
		<ul>
			<li><a href="#">Lorem ipsum dolor</a></li>
			<li><a href="#">Maecenas lacinia sem</a></li>
			<li><a href="#">Suspendisse fringilla</a></li>
		</ul>
	</li>
	<li><a href="#">Portfolio</a>
		<ul>
			<li><a href="#">Lorem ipsum dolor</a></li>
			<li><a href="#">Maecenas dignissim fermentum luctus</a></li>
			<li><a href="#">Suspendisse fringilla</a></li>
			<li><a href="#">Lorem ipsum dolor</a></li>
			<li><a href="#">Maecenas lacinia sem</a></li>
			<li><a href="#">Suspendisse fringilla</a></li>
		</ul>
	</li>
	<li><a href="#">Clients</a>
		<ul>
			<li><a href="#">Lorem ipsum dolor</a></li>
			<li><a href="#">Maecenas lacinia sem</a></li>
			<li><a href="#">Suspendisse fringilla</a></li>
		</ul>
	</li>
	<li><a href="#">Contact Me</a>
		<ul>
			<li><a href="#">Lorem ipsum dolor</a></li>
			<li><a href="#">Maecenas dignissim fermentum luctus</a></li>
			<li><a href="#">Suspendisse fringilla</a></li>
		</ul>
	</li>
	<li><a href="#">Support</a></li>
</ul>
</div>

* {
  	margin: 0; 
		padding: 0;
		box-sizing: border-box;
	}

body {
		padding: 30px; 
		font-family: "Helvetica Neue", helvetica, arial; 
		background: url('https://subtlepatterns.com/patterns/white_carbonfiber.png');
	}

#container {
		position: relative;
		width: 940px;		
	}

#container:after {
		content: "";
		display: block;
		clear: both;
		height: 0;
	}

#menu {
		position: relative;
		float: left;
		width: 100%;
		padding: 0 20px;
		border-radius: 3px;
		box-shadow: inset 0 1px 1px rgba(255,255,255,.5), inset 0 -1px 0 rgba(0,0,0,.15), 0 1px 3px rgba(0,0,0,.15);
		background: #ccc; 
	}

#menu, #menu ul {
		list-style: none;
	}

#menu > li {
		float: left;
		position: relative;
		border-right: 1px solid rgba(0,0,0,.1);
		box-shadow: 1px 0 0 rgba(255,255,255,.25);
		perspective: 1000px;
		
	}

#menu > li:first-child {
		border-left: 1px solid rgba(255,255,255,.25);
		box-shadow: -1px 0 0 rgba(0,0,0,.1), 1px 0 0 rgba(255,255,255,.25);
	}

#menu a {
		display: block;
		position: relative;
		z-index: 10;
		padding: 13px 20px 13px 20px;
		text-decoration: none;
		color: rgba(75,75,75,1);
		line-height: 1;
		font-weight: 600;
		font-size: 12px;
		letter-spacing: -.05em;
		background: transparent;		
		text-shadow: 0 1px 1px rgba(255,255,255,.9);
		transition: all .25s ease-in-out;
	
	}

#menu > li:hover > a {
		background: #333;
		color: rgba(0,223,252,1);
		text-shadow: none;
	}

#menu li ul  {
		position: absolute;
		left: 0;
		z-index: 1;
		width: 200px;
		padding: 0;
		opacity: 0;
		visibility: hidden;
		border-bottom-left-radius: 4px;
		border-bottom-right-radius: 4px;
		background: transparent;
		overflow: hidden;
		transform-origin: 50% 0%;
	}

#menu li:hover ul {
		
		padding: 15px 0;
		background: #333;
		opacity: 1;
		visibility: visible;
		box-shadow: 1px 1px 7px rgba(0,0,0,.5);
		animation-name: swingdown;
		animation-duration: 1s;
		animation-timing-function: ease;

}

@keyframes swingdown {
		0% {
			opacity: .99999;
			transform: rotateX(90deg);
		}

30% {			
			transform: rotateX(-20deg) rotateY(5deg);
			animation-timing-function: ease-in-out;
		}

65% {
			transform: rotateX(20deg) rotateY(-3deg);
			animation-timing-function: ease-in-out;
		}

100% {
			transform: rotateX(0);
			animation-timing-function: ease-in-out;
		}
	}

#menu li li a {
		padding-left: 15px;
		font-weight: 400;
		color: #ddd;
		text-shadow: none;
		border-top: dotted 1px transparent;
		border-bottom: dotted 1px transparent;
		transition: all .15s linear;
	}

#menu li li a:hover {
		color: rgba(0,223,252,1);
		border-top: dotted 1px rgba(255,255,255,.15);
		border-bottom: dotted 1px rgba(255,255,255,.15);
		background: rgba(0,223,252,.02);
	}
* {
  	margin: 0; 
		padding: 0;
		box-sizing: border-box;
	}

body {
		padding: 30px; 
		font-family: "Helvetica Neue", helvetica, arial; 
		background: url('https://subtlepatterns.com/patterns/white_carbonfiber.png');
	}

#container {
		position: relative;
		width: 940px;		
	}

#container:after {
		content: "";
		display: block;
		clear: both;
		height: 0;
	}

#menu {
		position: relative;
		float: left;
		width: 100%;
		padding: 0 20px;
		border-radius: 3px;
		box-shadow: inset 0 1px 1px rgba(255,255,255,.5), inset 0 -1px 0 rgba(0,0,0,.15), 0 1px 3px rgba(0,0,0,.15);
		background: #ccc; 
	}

#menu, #menu ul {
		list-style: none;
	}

#menu > li {
		float: left;
		position: relative;
		border-right: 1px solid rgba(0,0,0,.1);
		box-shadow: 1px 0 0 rgba(255,255,255,.25);
		perspective: 1000px;
		
	}

#menu > li:first-child {
		border-left: 1px solid rgba(255,255,255,.25);
		box-shadow: -1px 0 0 rgba(0,0,0,.1), 1px 0 0 rgba(255,255,255,.25);
	}

#menu a {
		display: block;
		position: relative;
		z-index: 10;
		padding: 13px 20px 13px 20px;
		text-decoration: none;
		color: rgba(75,75,75,1);
		line-height: 1;
		font-weight: 600;
		font-size: 12px;
		letter-spacing: -.05em;
		background: transparent;		
		text-shadow: 0 1px 1px rgba(255,255,255,.9);
		transition: all .25s ease-in-out;
	
	}

#menu > li:hover > a {
		background: #333;
		color: rgba(0,223,252,1);
		text-shadow: none;
	}

#menu li ul  {
		position: absolute;
		left: 0;
		z-index: 1;
		width: 200px;
		padding: 0;
		opacity: 0;
		visibility: hidden;
		border-bottom-left-radius: 4px;
		border-bottom-right-radius: 4px;
		background: transparent;
		overflow: hidden;
		transform-origin: 50% 0%;
	}

#menu li:hover ul {
		
		padding: 15px 0;
		background: #333;
		opacity: 1;
		visibility: visible;
		box-shadow: 1px 1px 7px rgba(0,0,0,.5);
		animation-name: swingdown;
		animation-duration: 1s;
		animation-timing-function: ease;

}

@keyframes swingdown {
		0% {
			opacity: .99999;
			transform: rotateX(90deg);
		}

30% {			
			transform: rotateX(-20deg) rotateY(5deg);
			animation-timing-function: ease-in-out;
		}

65% {
			transform: rotateX(20deg) rotateY(-3deg);
			animation-timing-function: ease-in-out;
		}

100% {
			transform: rotateX(0);
			animation-timing-function: ease-in-out;
		}
	}

#menu li li a {
		padding-left: 15px;
		font-weight: 400;
		color: #ddd;
		text-shadow: none;
		border-top: dotted 1px transparent;
		border-bottom: dotted 1px transparent;
		transition: all .15s linear;
	}

#menu li li a:hover {
		color: rgba(0,223,252,1);
		border-top: dotted 1px rgba(255,255,255,.15);
		border-bottom: dotted 1px rgba(255,255,255,.15);
		background: rgba(0,223,252,.02);
	}

20

All

Pure CSS Animated Accordion

By: pixeldev

Responsive Card Grid Layout

By: pixeldev

Responsive Card Grid Layout using Pure CSS

By: pixeldev

Submit Button pure css animation

By: pixeldev

A Growing (Pure CSS) Hexagon

By: pixeldev

Mouse in and out Hover Effect

By: Nethan Pogi

Pure CSS – File icons with hover animation

By: pixeldev

Pure CSS iOS 7 Icons hover w/ Jiggle Effect

By: pixeldev

Animated Background

By: Nethan Pogi

Animated Button with Tooltip (Pure CSS)

By: pixeldev

Pure CSS Credit Card Type Icon

By: pixeldev

Menu Swinging Animation

By: Nethan Pogi