Ripple Wave Toggle

<!--
  Author: @yokkcode
  License: MIT
  Tags: #buttons #css #interface #opensource #codepeek
-->
<label class="ripple-toggle">
  <input type="checkbox" class="ripple-toggle__input" />
  <span class="ripple-toggle__track">
    <span class="ripple-toggle__ripple"></span>
    <span class="ripple-toggle__knob"></span>
  </span>
</label>

/*
 * Author: @yokkcode
 * License: MIT
 * Tags: #buttons #css #interface #opensource #codepeek
 */

.ripple-toggle {
  display: inline-block;
  cursor: pointer;
}
.ripple-toggle__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.ripple-toggle__track {
  position: relative;
  display: block;
  width: 60px;
  height: 32px;
  border-radius: 999px;
  background: #26262e;
  overflow: hidden;
  transition: background 0.4s ease;
}
.ripple-toggle__knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #f5f5f5;
  z-index: 2;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.ripple-toggle__ripple {
  position: absolute;
  top: 50%;
  left: 16px;
  width: 10px;
  height: 10px;
  margin: -5px 0 0 -5px;
  border-radius: 50%;
  background: rgba(236, 72, 153, 0.6);
  transform: scale(0);
  z-index: 1;
}
.ripple-toggle__input:checked ~ .ripple-toggle__track {
  background: #ec4899;
}
.ripple-toggle__input:checked ~ .ripple-toggle__track .ripple-toggle__knob {
  transform: translateX(28px);
}
.ripple-toggle__input:checked ~ .ripple-toggle__track .ripple-toggle__ripple {
  animation: ripple-out 0.6s ease-out;
}
@keyframes ripple-out {
  0% { transform: scale(0); opacity: 0.8; }
  100% { transform: scale(9); opacity: 0; }
}