<label class="radikalwp-tgl-spring"><input type="checkbox"><span class="radikalwp-tgl-spring-track"><span class="radikalwp-tgl-spring-knob"><//span><//span><//label>

.radikalwp-tgl-spring { display: inline-block; cursor: pointer; }
.radikalwp-tgl-spring input { position: absolute; opacity: 0; }
.radikalwp-tgl-spring-track {
  display: block;
  width: 72px;
  height: 40px;
  padding: 4px;
  background: #cbd5e1;
  border-radius: 999px;
  transition: background .3s ease;
}
.radikalwp-tgl-spring-knob {
  display: block;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 3px 8px rgba(15, 23, 42, .3);
  transition: transform .45s cubic-bezier(.68, -0.4, .32, 1.4);
}
.radikalwp-tgl-spring input:checked + .radikalwp-tgl-spring-track { background: #4f46e5; }
.radikalwp-tgl-spring input:checked + .radikalwp-tgl-spring-track .radikalwp-tgl-spring-knob {
  transform: translateX(-32px);
}
.radikalwp-tgl-spring input:focus-visible + .radikalwp-tgl-spring-track {
  outline: 3px solid rgba(79, 70, 229, .4);
  outline-offset: 2px;
}