CSS3 Page Crul Animation

Page crul animation using css3

by Shishir Morshed

HTML

<div class="hvr-curl-bottom-left"></div>
<div class="hvr-curl-bottom-right"></div>

CSS

.hvr-curl-bottom-right,.hvr-curl-bottom-left {
    padding: 60px 60px;
    background: #294F6D;
}

/* Curl Bottom Right */
.hvr-curl-bottom-right {
  display: inline-block;
  vertical-align: middle;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  box-shadow: 0 0 1px rgba(0, 0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}
.hvr-curl-bottom-right:before {
  pointer-events: none;
  position: absolute;
  content: '';
  height: 0;
  width: 0;
  bottom: 0;
  right: 0;
  background: white;
  /* IE9 */
  background: linear-gradient(315deg, white 45%, #aaaaaa 50%, #cccccc 56%, white 80%);
  box-shadow: -1px -1px 1px rgba(0, 0, 0, 0.4);
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
  -webkit-transition-property: width, height;
  transition-property: width, height;
}
.hvr-curl-bottom-right:hover:before, .hvr-curl-bottom-right:focus:before, .hvr-curl-bottom-right:active:before {
  width: 100px;
  height: 100px;
}




/* Curl Bottom Left */
.hvr-curl-bottom-left {
  display: inline-block;
  vertical-align: middle;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  box-shadow: 0 0 1px rgba(0, 0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}
.hvr-curl-bottom-left:before {
  pointer-events: none;
  position: absolute;
  content: '';
  height: 0;
  width: 0;
  bottom: 0;
  left: 0;
  background: white;
  /* IE9 */
  background: linear-gradient(45deg, white 45%, #aaaaaa 50%, #cccccc 56%, white 80%);
  box-shadow: 1px -1px 1px rgba(0, 0, 0, 0.4);
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
  -webkit-transition-property: width, height;
  transition-property: width, height;
}
.hvr-curl-bottom-left:hover:before, .hvr-curl-bottom-left:focus:before, .hvr-curl-bottom-left:active:before {
  width: 100px;
  height: 100px;
}