+/- checkbox

by TigerAsks

HTML

<div class='sliding-checkbox'>
    <input class='internal-checkbox' type='checkbox' name=''>
</div>

CSS

.sliding-checkbox {
  padding: .25em;
  width: 80px;
  height: 40px;
}

.internal-checkbox {
  position: relative;
  width: 100%;
  height: 100%;

  -moz-appearance: none;
  -webkit-appearance: none;

  background-color: #c6c6c6;
  outline: none;

  border-radius: 20px;
  box-shadow: inset 0 0 5px rgba(0, 0, 0, .2);
}

.internal-checkbox:not(:checked) {
  transition: .5s;
  background-color: #d42626;
}

.internal-checkbox:checked {
  transition: .5s;
  background-color: #03f40f;
}

.internal-checkbox::before {
  position: absolute;
  top: 0;
  left: 0;

  content: '-';
  font-size: 2em;
  color: #d42626;

  width: 50%;
  height: 100%;
  border-radius: 50%;

  transform: scale(1.1);
  background-color: #9c9c9c;
  box-shadow: 0, 2px, 5px, rgba(0, 0, 0, .2);
  
  transition: .5s;
}

.internal-checkbox:checked::before {
  content: '+';
  color: #03f40f;
  left: 50%;
}