<button class="cp_button03">button</button>

.cp_button03 {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 160px;
  padding: 1em;
  cursor: pointer;
  color: #52c11f;
  background: transparent;
  border: 1px solid #52c11f;
  border-radius: 0;
  transition: color 0.4s, transform 0.4s cubic-bezier(0.645, 0.045, 0.355, 1);
  z-index: 1;
}
.cp_button03:hover {
  color: #ffffff;
  border: 1px solid #52c11f;
}
.cp_button03:before,
.cp_button03:after {
  position: absolute;
  top: 0;
  left: 0;
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  z-index: -1;
}
.cp_button03:before {
  background-color: #52c11f;
  transition: transform cubic-bezier(1, 0, 0, 1) 0.4s;
  transform: scaleY(0);
  transform-origin: top center;
}
.cp_button03:after {
  top: -6px;
  left: -6px;
  border: 1px solid #52c11f;
  transition: transform cubic-bezier(0.645, 0.045, 0.355, 1) 0.4s;
}
.cp_button03:hover:before {
  border: 1px solid #52c11f;
  transform: scaleY(1);
}
.cp_button03:hover:after {
  border: 1px solid #52c11f;
  transform: translate(6px, 6px);
}
.cp_button03:active {
  transition-duration: 0.05s;
  transform: translate(6px, 6px);
}
.cp_button03:active:after {
  transition-duration: 0.05s;
  transform: translate(0, 0);
}
.cp_button03:focus {
  color: #52c11f;
  border: 1px solid #52c11f;
}
.cp_button03:focus:hover {
  color: #ffffff;
}
.cp_button03:focus:before {
  background-color: #52c11f;
}