html, body {
    -webkit-touch-callout: none; /* iOS Safari */
-webkit-user-select: none; /* Safari */
-khtml-user-select: none; /* Konqueror HTML */
-moz-user-select: none; /* Firefox */
-ms-user-select: none; /* Internet Explorer/Edge */
    user-select: none; /* Non-prefixed version, currently
                          supported by Chrome and Opera */

    background-color: black;
    overflow: hidden;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}
#renderCanvas {
    background-color: black;
    width: 100%;
    height: 100%;
    touch-action: none;
}
#btn {
    position: absolute;
    bottom: 10px;
    right: 10px;
}
#badge {
    position: absolute;
    top: 10px;
    right: 10px;
}

.closeBT {
    z-index: 110;
    position: absolute;
    top: 10px;
    left: 10px;    
    width: 25px;    
}