MyCrypto/common/sass/styles/btn-toggle.scss

/* TOGGLE BUTTON */
$slider-radius: 26px;
$transition-time: .4s;
$toggle-color: #0C6482;
$travel-distance: 38px;

.switch {
  position: relative;
  display: inline-block;
  width: 72px;
  height: 34px;
  margin: 5px 0;

  & input {
    display: none;
  }
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: $transition-time;
  transition: $transition-time;

  &:before {
    position: absolute;
    content: "";
    height: $slider-radius;
    width: $slider-radius;
    left: 4px;
    bottom: 4px;
    background-color: white;
    -webkit-transition: $transition-time;
    transition: $transition-time;
  }
}

input {
  &:checked + .slider {
    background-color: $toggle-color;
  }

  &:focus + .slider {
    box-shadow: 0 0 1px $toggle-color;
  }
  
  &:checked + .slider:before {
    -webkit-transform: translateX($travel-distance);
    -ms-transform: translateX($travel-distance);
    transform: translateX($travel-distance);
  }
}

/* Rounded sliders */
.slider.round {
  border-radius: 34px;

  &:before {
    border-radius: 50%;
  }
}