* {
    margin: 0; padding: 0;
}
body {
    overflow: hidden;
}
canvas {
    position: fixed;
    top: 0; left: 0;
    /* background: transparent url(/assets/g/r/F/w/grFw2.png) repeat scroll 0 0; */
    background: transparent url(bg.png) repeat scroll 0 0;
    cursor: none;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
         -o-user-select: none;
            user-select: none;
}
#btnDownload {
    position: absolute;
    top: 0; right: 0;
    width: 60px; height: 60px;
    /* background: url('/assets/4/Z/b/b/4Zbbc.png') no-repeat scroll center center; */
    background: url('btn_download.png') no-repeat scroll center center;
    cursor: pointer;
    -webkit-transition: all .2s ease-out;
       -moz-transition: all .2s ease-out;
        -ms-transition: all .2s ease-out;
         -o-transition: all .2s ease-out;
            transition: all .2s ease-out;
}
#btnDownload:hover {
    opacity: .75;
}