body, html {
    height: 100%;
 background-color: black;
}

img{
    position: fixed;
    display: none;
    margin-left: auto;
    margin-right: auto;
    max-width:100%;
    max-height:100%; 
    top: 50%;
    transform: translatey(-50%);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    image-orientation: from-image;
}
#clockwrapper{
    position:fixed;
    width: 100%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);  
    z-index: 10;
    background-color: transparent;
    display:inline-block;color: #FF0000; text-align: center; font-size: 120px; font-family:Arial, sans-serif;
}

#config{
 display:block;
  background-color: white;
}