toggle-example.html

<style>
  .toggle {
    margin: 0;
    padding: 0;
    border: none;
  }
  .toggle__legend {
    margin-bottom: .5em;
  }
  .toggle__label {
    cursor: pointer;
  }
  .toggle [type='radio'] {
    display: inline-block;
    box-sizing: border-box;
    padding: 0;
    margin: 0 -2px 0 0;
    position: relative;
    width: 50%;
    height: 100%;
    opacity: 0;
    z-index: 1;
    cursor: pointer;
  }
  .toggle__wrapper {
    display: inline-block;
    position: relative;
    vertical-align: middle;
    /* Toggle size */
    width: 4em;
    height: 2em;
    border-radius: 1.5em;
  }
  .toggle__icon {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    transition: all 0.1s ease-out;
  }
  /* SVG styles */
  .toggle__icon .track {
    fill: #eee;
  }
  .toggle__icon .knob {
    fill: hotpink;
    stroke: hotpink;
  }
  /* Toggle ON SVG styles */
  .toggle__selector:checked ~ .toggle__icon .track {
    fill: #333;
  }
  .toggle__selector:checked ~ .toggle__icon .knob {
    transform: translateX(50%);
  }
  /* Toggle Focus SVG styles */
  .toggle [type='radio']:focus ~ .toggle__icon {
    filter: drop-shadow( 0 0 6px orangered);
  }
  .toggle [type='radio']:focus ~ .toggle__icon .knob {
    stroke: orangered;
  }
</style>
<fieldset class="toggle" role="radiogroup">
  <!-- Descriptive name for the option to toggle -->
  <legend class="toggle__legend">Toggle option X</legend>
  <div>
    <label for="toggle-off" class="toggle__label">Off</label>
    <span class="toggle__wrapper">
      <input type="radio" name="toggle-option-x" id="toggle-off" checked />
      <input type="radio" name="toggle-option-x" id="toggle-on" class="toggle__selector" />
      <svg
        xmlns="http://www.w3.org/2000/svg"
        viewBox="0 0 150 100"
        width="1.5em"
        height="1em"
        version="1.1"
        class="toggle__icon"
      >
        <g class="track" fill="#000">
          <rect x="25%" y="20%" width="50%" height="60%" />
          <circle cx="25%" cy="50%" r="23.5%" />
          <circle cx="75%" cy="50%" r="23.5%" />
        </g>
        <circle class="knob" cx="30%" cy="50%" r="30%" fill="#ff69b4" stroke="#ff69b4" stroke-width="4" />
      </svg>
    </span>
    <label for="toggle-on" class="toggle__label">On</label>
  </div>
</fieldset>