style.css

html, body {
  height: 100%;
  width: 100%;
  margin: 0;
  overflow: hidden;
}
canvas { position : absolute; top : 0px; left : 0px; }
div { 
  position : absolute; 
  top : 0px; 
  left : 0px; 
  font-family: 'junegull';
}
@font-face {
  font-family: junegull;
  src: url("/junegull.regular.ttf");
}
h1 {
  font-family: junegull;
  filter: drop-shadow(-1px -1px 0px #ffffff) drop-shadow(2px -1px 0px #888888) drop-shadow(2px 2px 0px #666666) drop-shadow(-1px 2px 0px #ffffff);
  user-select: none;
  -moz-user-select: none;
  -khtml-user-select: none;
  -webkit-user-select: none;
  -o-user-select: none;
}
input[type="radio"] {
  -ms-transform: scale(2); /* IE 9 */
  -webkit-transform: scale(2); /* Chrome, Safari, Opera */
  transform: scale(2);
}
input[type="radio"]:last-child {
  left: 10px;
}

.wrapper {
    background: EEEEEE;
    height: 100%;
    width: 100%;
    position: fixed;
    top: 0;
    z-index: 9999;
    text-align: center;
    left: 0;
    font-size: 100px;
    font-family: junegull;
    src: url("/junegull.regular.ttf");
    color: 888888;
    line-height: 100vh;
}

.dropzone {
  width: 50%;
  margin: 1%;
  border: 2px dashed #8f0000 !important;
  border-radius: 5px;
}
input[type="checkbox"].switch_1{
    font-size: 30px;
    -webkit-appearance: none;
       -moz-appearance: none;
            appearance: none;
    width: 64px;
    height: 1.5em;
    background: #ddd;
    border-radius: 3em;
    position: relative;
    cursor: pointer;
    outline: none;
    -webkit-transition: all .2s ease-in-out;
    transition: all .2s ease-in-out;
  }
  
  input[type="checkbox"].switch_1:checked{
    background: #ff0000;
  }
  
  input[type="checkbox"].switch_1:after{
    position: absolute;
    content: "";
    width: 1.5em;
    height: 1.5em;
    border-radius: 50%;
    background: #fff;
    -webkit-box-shadow: 0 0 .25em rgba(0,0,0,.3);
            box-shadow: 0 0 .25em rgba(0,0,0,.3);
    -webkit-transform: scale(.7);
            transform: scale(.7);
    left: 0;
    -webkit-transition: all .2s ease-in-out;
    transition: all .2s ease-in-out;
  }
  
  input[type="checkbox"].switch_1:checked:after{
    left: calc(100% - 1.5em);
  }