<label class="radikalwp-sw-glow"><input type="checkbox" checked /><span><i><//i><//span><//label>

.radikalwp-sw-glow input { display: none; }
.radikalwp-sw-glow span {
  display: flex;
  align-items: center;
  width: 56px;
  height: 30px;
  padding: 4px;
  background: linear-gradient(135deg, #1e293b, #334155);
  border: 1px solid #475569;
  border-radius: 999px;
  cursor: pointer;
  transition: all .3s ease;
  box-sizing: border-box;
}
.radikalwp-sw-glow i {
  width: 20px;
  height: 20px;
  background: #64748b;
  border-radius: 50%;
  transition: all .3s cubic-bezier(.4, 1.5, .6, 1);
}
.radikalwp-sw-glow input:checked + span {
  border-color: #8b5cf6;
  box-shadow: 0 0 18px rgba(139, 92, 246, .45), inset 0 0 8px rgba(139, 92, 246, .25);
}
.radikalwp-sw-glow input:checked + span i {
  transform: translateX(-26px);
  background: #a78bfa;
  box-shadow: 0 0 10px rgba(167, 139, 250, .9);
}