.oew-effect-20 a {
  position: relative;
  display: inline-block;
  color: #fff;
  line-height: 2em;
  -webkit-perspective: 800px;
  -moz-perspective: 800px;
  perspective: 800px;
}

.oew-effect-20 a span {
  position: relative;
  display: inline-block;
  padding: 3px 15px;
  background: #587285;
  box-shadow: inset 0 3px #2f4351;
  -webkit-transition: background 0.6s;
  -moz-transition: background 0.6s;
  transition: background 0.6s;
  -webkit-transform-origin: 50% 0;
  -moz-transform-origin: 50% 0;
  transform-origin: 50% 0;
  -webkit-transform-style: preserve-3d;
  -moz-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-transform-origin: 0% 50%;
  -moz-transform-origin: 0% 50%;
  transform-origin: 0% 50%;
}

.oew-effect-20 a span::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 3px 15px;
  background: #13aff0;
  color: #fff;
  content: attr(data-hover);
  -webkit-transform: rotateX(270deg);
  -moz-transform: rotateX(270deg);
  transform: rotateX(270deg);
  -webkit-transition: -webkit-transform 0.6s;
  -moz-transition: -moz-transform 0.6s;
  transition: transform 0.6s;
  -webkit-transform-origin: 0 0;
  -moz-transform-origin: 0 0;
  transform-origin: 0 0;
  pointer-events: none;
}

.oew-effect-20 a:hover span,
.oew-effect-20 a:focus span {
  background: #2f4351;
}

.oew-effect-20 a:hover span::before,
.oew-effect-20 a:focus span::before {
  -webkit-transform: rotateX(10deg);  
  -moz-transform: rotateX(10deg);
  transform: rotateX(10deg);
}