/* The switch - the box around the slider */
    .switch {
      position: relative;
      display: inline-block;
      width: 70px;
      height: 34px;
    }

    /* Hide default HTML checkbox */
    .switch input {
      opacity: 0;
      width: 0;
      height: 0;
    }

    /* The slider */
    .slider {
      position: absolute;
      cursor: pointer;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-image: url("../img/navbar/sun.svg");
      background-repeat: no-repeat;
      background-position: right;
      background-color: #4D4D4D;
      -webkit-transition: .4s;
      transition: .4s;
    }

    .slider:before {
      position: absolute;
      content: "";
      height: 26px;
      width: 26px;
      left: 4px;
      bottom: 4px;
      background-color: #fff;
      -webkit-transition: .4s;
      transition: .4s;
    }

    input:checked+.slider {
      background-image: url("../img/navbar/moon.svg"); 
      background-repeat: no-repeat;
      background-position: left;
      background-color: #4D4D4D;
      -webkit-transition: .4s;
      transition: .4s;
    }

    input:focus+.slider {
      box-shadow: 0 0 1px #2196F3;
    }

    input:checked+.slider:before {
      -webkit-transform: translateX(35px);
      -ms-transform: translateX(35px);
      transform: translateX(35px);
    }

    /* Rounded sliders */
    .slider.round {
      border-radius: 34px;
    }

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