.mt-50 {
  margin-top: 50px;
}

.mt-20 {
  margin-top: 20px;
}

.m-auto {
  margin: auto;
}

.switch {
  position: relative;
  display: block;
  width: 50px;
  height: 20px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: 0.4s;
  transition: 0.4s;
}

.slider::before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 2px;
  background-color: white;
  -webkit-transition: 0.4s;
  transition: 0.4s;
}

input:checked + .slider {
  background-color: #34495e;
}

input:focus + .slider {
  box-shadow: 0 0 1px #34495e;
}

input:checked + .slider::before {
  -webkit-transform: translateX(26px);
  -ms-transform: translateX(26px);
  transform: translateX(26px);
}

.slider.round {
  border-radius: 2px;
}

.slider.round::before {
  border-radius: 10%;
}