/*switch on-off */
.toggle-label {
  position: relative;
  width: 100px;
  height: 30px;
  margin-top: 10px;
}
.toggle-label input[type=checkbox] { 
    opacity: 0;
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
}
.toggle-label input[type=checkbox]+.back {
    position: absolute;
    width: 100%;
    height: 30px;
    left: 0;
    top: 0;
    border-radius: 50px;
    border: 1px solid #000;
    transition: background 150ms linear;
}
.toggle-label input[type=checkbox]:checked+.back {
    border: 1px solid #000;
    cursor: pointer;
}

.toggle-label input[type=checkbox]+.back .toggle {
  display: block;
  position: absolute;
  content: ' ';
  background: #000;
  width: 50%; 
  height: 100%;
  transition: margin 150ms linear;
  border: 1px solid #808080;
  border-radius: 50px;
}
.toggle-label input[type=checkbox]:checked+.back .toggle {
  margin-left: 50px;
}
.toggle-label .label {
  display: block;
  position: absolute;
  width: 50%;
  color: #ddd;
  line-height: 24px;
  text-align: center;
  font-size: 12px;
}
.toggle-label .label.on { left: 0px; }
.toggle-label .label.off { right: 0px; }

.toggle-label input[type=checkbox]:checked+.back .label.on {
  color: #000;
}
.toggle-label input[type=checkbox]+.back .label.off {
  color: #000;
    cursor: pointer;
}
.toggle-label input[type=checkbox]:checked+.back .label.off {
  color: #ddd;
}