<button class="cp_button06">button</button>

.cp_button06 {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1em;
  width: 160px;
  cursor: pointer;
  transition: color .3s cubic-bezier(.02,.01,.47,1),border-color .3s cubic-bezier(.02,.01,.47,1);
  color: #F06292;
  background: #fff;
  border: 1px solid #F06292;
  border-radius: 100px;
  overflow: hidden;
  z-index: 1;
}
.cp_button06:after,
.cp_button06:before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 120%;
  content: '';
  transition: transform 0.15s cubic-bezier(0.02,0.01,0.47,1),opacity 0.15s cubic-bezier(0.02,0.01,0.47,1);
  opacity: 0;
  z-index: -1;
}
.cp_button06:before {
  background: #D81B60;
  transform: translate3d(-110%,-10%,0) skewX(-20deg);
}
.cp_button06:after {
  background: #F06292;
  transform: translate3d(110%,-10%,0) skewX(-20deg);
}
.cp_button06:hover {
  color: #ffffff;
  background: #E91E63;
  border: 1px solid #F06292;
  box-shadow: 0 1px 6px rgba(0,0,0,0.3);
  transition: all 0.5s cubic-bezier(0.02,0.01,0.47,1);
}
.cp_button06:hover:after, .cp_button06:hover:before {
  transition: transform 0.25s cubic-bezier(0.02,0.01,0.47,1),opacity 0.25s cubic-bezier(0.02,0.01,0.47,1);
  transform: translate3d(50%,-10%,0) skewX(-20deg);
  opacity: 1;
}
.cp_button06:active {
  opacity: 0.5;
  color: #F06292;
}
.cp_button06:focus {
  color: #F06292;
  border: 1px solid #F06292;
}
.cp_button06:focus:hover {
  color: #ffffff;
  border: 1px solid #F06292;
}