button hover

by Kim Ara

HTML

<div class="button">
    <a href="#">
        <p>Hover me</p>
        <div class="hoverBtn"></div>
        <div class="hoverBtn-bottom"></div>
     </a>
  </div>

CSS

.button {
  width: 200px;
  margin: 100px auto;
  position: relative;
  border: solid 2px #cbd4d9;
  height: 55px;
}
.button:hover .hoverBtn:before, .button:hover .hoverBtn:after {
  opacity: 1;
  -webkit-animation: open 0.4s;
  /* Chrome, Safari, Opera */
  animation: open 0.4s;
  animation-fill-mode: forwards;
  animation-timing-function: cubic-bezier(0.39, 0.575, 0.565, 1);
  animation-direction: normal;
}
.button:hover .hoverBtn-bottom:before, .button:hover .hoverBtn-bottom:after {
  opacity: 1;
  -webkit-animation: openB 0.4s;
  /* Chrome, Safari, Opera */
  animation: openB 0.4s;
  animation-delay: 0.4s;
  animation-fill-mode: forwards;
  animation-timing-function: cubic-bezier(0.39, 0.575, 0.565, 1);
  animation-direction: normal;
}
.button p {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  margin: 0 auto;
  text-align: center;
  color: #587785;
  font-size: 22px;
  line-height: 55px;
}
.hoverBtn {
  width: 100%;
  height: 55px;
  position: absolute;
  top: -1px;
}
.hoverBtn:before {
  position: absolute;
  content: '';
  height: 0;
  width: 0;
  display: block;
  opacity: 0;
  border-top: solid 2px #517180;
  border-left: solid 2px #517180;
  right: 100px;
}
.hoverBtn:after {
  position: absolute;
  content: '';
  height: 0;
  width: 0;
  display: block;
  opacity: 0;
  border-top: solid 2px #517180;
  border-right: solid 2px #517180;
  left: 100px;
}
.hoverBtn-bottom {
  width: 100%;
  height: 55px;
  position: absolute;
}
.hoverBtn-bottom:before {
  position: absolute;
  content: '';
  height: 0;
  width: 0;
  display: block;
  opacity: 0;
  height: 55px;
  border-bottom: solid 2px #517180;
  right: 0;
}
.hoverBtn-bottom:after {
  position: absolute;
  content: '';
  height: 0;
  width: 0;
  display: block;
  opacity: 0;
  height: 55px;
  border-bottom: solid 2px #517180;
  left: 0;
}
p.credits {
  text-align: center
  color: #888;
  font-size: 16px;
}
@keyframes open {
  0% {
    width: 0;
    height: 0;
  }
  50% {
    width: 100px;
   ...