#start_page {
        margin: 0;
        position: fixed;
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
        height: 100%;
        z-index: 10000000;
        
      }
      #start_page_img {
        width: auto;
        height: 100% !important;
      }
      
      @media screen and (max-width: 600px) {
        #start_page_img {
          min-width: 100%;
        }
      }
      @media screen and (min-width: 600px) {
        #start_page_img {
          min-width: 750rem !important;
        }
      }
      #start_page_img {
        min-height: 100% !important;
      }