<div class="site-container">
<input type="checkbox" class="neumorphic-switch" />
</div>

@import "https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css";

body {
  background-color: #ececec;
  margin: 0;
}

.site-container {
  display: grid;
  place-items: center;
  min-height: 100vh;
}

.neumorphic-switch {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  width: 200px;
  border-radius: 50%;
  box-shadow: 
    -10px -10px 15px rgba(255, 255, 255, 0.5),
    10px 10px 15px rgba(70, 70, 70, 0.12);
  border: 20px solid #ececec;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
}
.neumorphic-switch::after {
  font-family: FontAwesome;
  content: "\f011";
  color: #7a7a7a;
  font-size: 70px;
}
.neumorphic-switch:checked{
  box-shadow: 
  -10px -10px 15px rgba(255, 255, 255, 0.5),
  10px 10px 15px rgba(70, 70, 70, 0.12),
  inset -10px -10px 15px rgba(255, 255, 255, 0.5),
  inset 10px 10px 15px rgba(70, 70, 70, 0.12);
}
.neumorphic-switch:checked::after{
  color: #15e38a;
}