#colors_model, #colors_stack { 
    width: 30vh;
    height: 30vh;
    border: 1vmin inset #999;
    box-sizing: border-box;
    display: inline-block;
    position: relative;
    opacity: 0;
    transition: opacity 500ms ease-in-out;
}
#colors_loupe1, #colors_loupe2 { display: none; position: absolute; }
#colors_available { text-align: center; }
#colors_available div { border: 2px outset #999; margin: 1vmin; width: 20vmin; height: 20vmin; display: inline-block; background-size: contain; position: relative; transition: transform 500ms ease-in-out; }
#colors_available div div { position: absolute; left: 0; margin: 0; }
#colors_available div svg { position: absolute; left: 0; width: 100%!important; height:100%; }
#colors_available div.rot1 { transform: rotate(90deg); }
#colors_available div.rot2 { transform: rotate(180deg); }
#colors_available div.rot3a { transform: rotate(-90deg); transition-duration: 0ms; }
#colors_available div.rot3 { transform: rotate(270deg); }
.colors_rotateIcon { width: 7vmin; height: 7vmin; z-index: 6; position: absolute; top: -2vmin; right: -2vmin; margin: 0; }
#colors_game button { display:block; font-size: 1em; padding: 0.2em 0.4em; margin: 1em auto; }
#colors_game p { margin: 0; }
#colors_prc { font-size: 1.2em; font-weight: bold; }