.BSwitch {
  position: relative;
  display: inline-block;
  margin-top: 1px;
  margin-bottom: 1px;
  margin-left: 1px;
  margin-right: 1px;
}

  .BSwitch input {
    opacity: 0;
    width: 0px;
    height: 0px;
  }


.BSlider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: solid 1px #ccc;
  -webkit-transition: .4s;
  transition: .4s;
  transition: .4s;
}

  .BSlider:before {
    position: absolute;
    content: "";
    height: calc(100% - 6px);
    width: calc(50% - 3px);
    left: 3px;
    bottom: 3px;
    -webkit-transition: .4s;
    transition: .4s;
    background-color: silver;
    box-shadow: 0 0 5px #141414 !important;
  }

.BSwitch input:checked + .BSlider {
  background-color: #2196F3;
}

.BSwitch input:focus + .BSlider {
  box-shadow: 0 0 1px 1px #2196F3 !important;
}

.BSwitch input:hover + .BSlider {

}

.BSwitch input:checked + .BSlider:before {
  box-shadow: 0 0 5px #141414 !important;
  -webkit-transform: translateX(100%);
  -ms-transform: translateX(100%);
  transform: translateX(100%);
}

.BSlider.round {
  border-radius: 32px;
  border: solid 1px #ccc;
}

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