.toggle {
  position: relative;
  display: block;
  margin: 0 auto;
  width: 7.5rem;
  height: 2.8rem;
  color: white;
  outline: 0;
  text-decoration: none;
  border-radius: 8rem;
  border: 2px solid #546e7a;
  background-color: #263238;
  -webkit-transition: all 500ms;
  -moz-transition: all 500ms;
  -o-transition: all 500ms;
  transition: all 500ms;
}
.toggle:active {
  background-color: #1c2429;
}
.toggle:hover:not(.toggle--moving):after {
  background-color: #455a64;
}
.toggle:after {
  display: block;
  position: absolute;
  top: 3px;
  bottom: 3px;
  /* left: 4px; */
  width: calc(50% - 4px);
  line-height: 2.12rem;
  height: 2.12rem;
  text-align: center;
  text-transform: uppercase;
  font-size: 20px;
  color: white;
  background-color: #37474f;
  border: 2px solid;
  -webkit-transition: all 500ms;
  -moz-transition: all 500ms;
  -o-transition: all 500ms;
  transition: all 500ms;
}
.toggle--on:after {
  content: "On";
  border-radius: 50px 5px 5px 50px;
  color: #66bb6a;
  left: 4px;
}
.toggle--off:after {
  content: "Off";
  border-radius: 5px 50px 50px 5px;
  color: #f44336;
  left: -4px;
  -webkit-transform: translate(100%, 0);
  -moz-transform: translate(100%, 0);
  -o-transform: translate(100%, 0);
  transform: translate(100%, 0);
}
.toggle--moving {
  background-color: #1c2429;
}
.toggle--moving:after {
  color: transparent;
  border-color: #435862;
  background-color: #222c31;
  -webkit-transition: color 0s, transform 500ms, border-radius 500ms,
    background-color 500ms;
  -moz-transition: color 0s, transform 500ms, border-radius 500ms,
    background-color 500ms;
  -o-transition: color 0s, transform 500ms, border-radius 500ms,
    background-color 500ms;
  transition: color 0s, transform 500ms, border-radius 500ms,
    background-color 500ms;
}

@media (max-width: 1366px) {
  .toggle:after {
    top: 3px;
    top: 3px;
  }
}

@media (min-width: 1920px) {
  .toggle:after {
    top: 5px;
    top: 5px;
  }
}