/* ============================================================================================== 
This copyright notice must be kept untouched in the stylesheet at all times.
The original version of this stylesheet and the associated (x)html 
is available at http://www.script-tutorials.com/night-sky-with-twinkling-stars/
Copyright (c) Script Tutorials. All rights reserved.
This stylesheet and the associated (x)html may be modified in any way to fit your requirements.
================================================================================================= */

@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 {
    margin: 0;
    padding: 0;
    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: -4;
}

.twinkling {
    background: transparent url(../images/twinkling.png) repeat top center;
    z-index: -3;
    -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/clouds.png) repeat top center;
    z-index: -1;
    -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;
}