html {
    height: 100%;
  }
  
  body {
    margin: 0;
    min-height: 100%;
    background-color: #171717; /* Default splash background */
    background-size: 100% 100%;
    /* transition for background color change when splash is removed */
    transition: background-color 0.3s ease-out;
  }
  
  .center {
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
  }
  
  .contain {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
  
  .stretch {
    display: block;
    width: 100%;
    height: 100%;
  }
  
  .cover {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .bottom {
    position: absolute;
    bottom: 0;
    left: 50%;
    -ms-transform: translate(-50%, 0);
    transform: translate(-50%, 0);
  }
  
  .bottomLeft {
    position: absolute;
    bottom: 0;
    left: 0;
  }
  
  .bottomRight {
    position: absolute;
    bottom: 0;
    right: 0;
  }