*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.switch{
    position: relative;
    display: inline-block;
    width: 50px;
    height: 25px;
    /* border: 1px solid black; */
    
  }
  
  
  .switch input{
    opacity: 0;
    width: 0;
    height: 0;
  }
  
  .slider{
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgb(19, 19, 19);
    transition: .4s;
  
  }
  
  
  .slider:before{
    position: absolute;
    content: "";
    height: 15px;
    width: 15px;
    left: 4px;
    bottom: 5px;
    background-color: white;
    transition: .4s;
  }
  
  input:checked + .slider{
    background-color: rgb(0, 68, 255);
  }
  
  input:focus + .slider{
    box-shadow: 0px 0px 1px green;
  }
  
  input:checked + .slider:before{
    -webkit-transform: translateX(29px);
    -ms-transform: translateX(26px);
    transform: translateX(27px);
  }
  
  .slider.round{
    border-radius: 34px;
  }
  
  .slider.round:before{
    border-radius: 50%;
  }