.chk-switch {
  position: relative;
  display: inline-block;
  width: 80px;
  height: 24px;
}

.chk-switch input {
  display: none;
}

.chk-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #fff;
  -webkit-transition: .4s;
  transition: .4s;
}

.chk-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background-color: #a2a5a7;
  -webkit-transition: .4s;
  transition: .4s;
}

input:checked + .chk-slider {
  background-color: #17a5e1;
}

input:focus + .chk-slider {
  box-shadow: 0 0 1px #17a5e1;
}

input:checked + .chk-slider:before {
  -webkit-transform: translateX(26px);
  -ms-transform: translateX(26px);
  transform: translateX(56px);
  background-color: #fff;
}

.chk-slider.round {
  border-radius: 24px;
}

.chk-slider.round:before {
  border-radius: 50%;
}