Pure CSS Switches

sample-css-switch.html

<style>
  .switch {
    line-height: 1.5;
    font-weight: normal;
    font-family: Roboto,Helvetica,Arial,sans-serif;
    -webkit-box-direction: normal;
    list-style: none;
    list-style-type: none;
    font-size: .8rem;
    color: #9e9e9e;
    box-sizing: inherit;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
  }
  .switch > label {
    line-height: 1.5;
    font-weight: normal;
    font-family: Roboto,Helvetica,Arial,sans-serif;
    -webkit-box-direction: normal;
    list-style: none;
    list-style-type: none;
    box-sizing: inherit;
    font-size: .8rem;
    color: #9e9e9e;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    cursor: pointer;
  }
.switch label input[type=checkbox] {
    opacity: 0;
    width: 0;
    height: 0;
}.switch label input[type=checkbox]:checked+.lever {
    background-color: #84c7c1;
}
.switch label .lever {
    content: "";
    display: inline-block;
    position: relative;
    width: 36px;
    height: 14px;
    background-color: rgba(0,0,0,0.38);
    border-radius: 15px;
    margin-right: 10px;
    -webkit-transition: background 0.3s ease;
    transition: background 0.3s ease;
    vertical-align: middle;
    margin: 0 16px;
}
  .switch label .lever:before, .switch label .lever:after {
    content: "";
    position: absolute;
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    left: 0;
    top: -3px;
    -webkit-transition: left 0.3s ease, background .3s ease, -webkit-box-shadow 0.1s ease, -webkit-transform .1s ease;
    transition: left 0.3s ease, background .3s ease, -webkit-box-shadow 0.1s ease, -webkit-transform .1s ease;
    transition: left 0.3s ease, background .3s ease, box-shadow 0.1s ease, transform .1s ease;
    transition: left 0.3s ease, background .3s ease, box-shadow 0.1s ease, transform .1s ease, -webkit-box-shadow 0.1s ease, -webkit-transform .1s ease;
  }
  .switch label input[type=checkbox]:checked+.lever:after {
    background-color: #26a69a;
}

.switch label input[type=checkbox]:checked+.lever:before, .switch label input[type=checkbox]:checked+.lever:after {
    left: 18px;
}
.switch label .lever:after {
    background-color: #F1F1F1;
    -webkit-box-shadow: 0px 3px 1px -2px rgba(0,0,0,0.2), 0px 2px 2px 0px rgba(0,0,0,0.14), 0px 1px 5px 0px rgba(0,0,0,0.12);
    box-shadow: 0px 3px 1px -2px rgba(0,0,0,0.2), 0px 2px 2px 0px rgba(0,0,0,0.14), 0px 1px 5px 0px rgba(0,0,0,0.12);
}
  .switch label input[type=checkbox]:checked+.lever:before, .switch label input[type=checkbox]:checked+.lever:after {
    left: 18px;
}
.switch label .lever:before {
    background-color: rgba(38,166,154,0.15);
}
</style>
<div class="switch">
  <label>Off<input type="checkbox" name="hints" checked=""><span class="lever"></span>On</label>
</div>

https://jsfiddle.net/798sebug/