webkit-transition: 0.4s;
  transition: 0.4s;
}

.slider:before {
  position: absolute;
  content: '';
  height: 30px;
  width: 30px;
  bottom: -5px;
  background: #18333E;
  -webkit-transition: 0.4s;
  transition: 0.4s;
}

.slider.round {
  border-radius: 34px;
}

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

input:checked+.slider {
  background-color: #b1b9c3;
}

input:checked+.slider:before {
  -webkit-transform: translateX(35px);
  -ms-transform: translateX(35px);
  transform: translateX(35px);
  backg