@keyframes move-twink-back {
    from {background-position:0 0;}
    to {background-position:-10000px 5000px;}
}
@-webkit-keyframes move-twink-back {
    from {background-position:0 0;}
    to {background-position:-10000px 5000px;}
}
@-moz-keyframes move-twink-back {
    from {background-position:0 0;}
    to {background-position:-10000px 5000px;}
}
@-ms-keyframes move-twink-back {
    from {background-position:0 0;}
    to {background-position:-10000px 5000px;}
}

@keyframes move-clouds-back {
    from {background-position:0 0;}
    to {background-position:10000px 0;}
}
@-webkit-keyframes move-clouds-back {
    from {background-position:0 0;}
    to {background-position:10000px 0;}
}
@-moz-keyframes move-clouds-back {
    from {background-position:0 0;}
    to {background-position:10000px 0;}
}
@-ms-keyframes move-clouds-back {
    from {background-position: 0;}
    to {background-position:10000px 0;}
}

.stars, .twinkling, .clouds {
    position:absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
    width:100%;
    height:100%;
    display:block;

}

.stars {
    background:#000 url(images/stars.png) repeat top center;
    z-index:-10;
}

.twinkling{
    background:transparent url(images/twinkling.png) repeat top center;
    z-index:-9;

    -moz-animation:move-twink-back 200s linear infinite;
    -ms-animation:move-twink-back 200s linear infinite;
    -o-animation:move-twink-back 200s linear infinite;
    -webkit-animation:move-twink-back 200s linear infinite;
    animation:move-twink-back 200s linear infinite;
}

.clouds{
    background:transparent url(images/clouds2.png) repeat top center;
    z-index:-7;

    -moz-animation:move-clouds-back 200s linear infinite;
    -ms-animation:move-clouds-back 200s linear infinite;
    -o-animation:move-clouds-back 200s linear infinite;
    -webkit-animation:move-clouds-back 200s linear infinite;
    animation:move-clouds-back 200s linear infinite;
}