@keyframes move-background {
    from {
        -webkit-transform: translate3d(0px, 0px, 0px);
    }
    to {
        -webkit-transform: translate3d(1000px, 0px, 0px);
    }
}
@-webkit-keyframes move-background {
    from {
        -webkit-transform: translate3d(0px, 0px, 0px);
    }
    to {
        -webkit-transform: translate3d(1000px, 0px, 0px);
    }
}
@-moz-keyframes move-background {
    from {
        -webkit-transform: translate3d(0px, 0px, 0px);
    }
    to {
        -webkit-transform: translate3d(1000px, 0px, 0px);
    }
}
@-webkit-keyframes move-background {
    from {
        -webkit-transform: translate3d(0px, 0px, 0px);
    }
    to {
        -webkit-transform: translate3d(1000px, 0px, 0px);
    }
}
.background-container{
    position: fixed;
    top: 0;
    left:0;
    bottom: 0;
    right: 0;
}

.stars {
    background: black url('/img/stars-min.png') repeat;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    display: block;
    z-index: -5;
}
.clouds{
    width:10000px;
    height: 100%;
    background: transparent url("/img/clouds_repeat-min-400.png") repeat;
    background-size: 1900px 1000px;
    position: fixed;
    opacity: .5;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: -1;

/**
    -moz-animation:move-background 150s linear infinite;
    -ms-animation:move-background 150s linear infinite;
    -o-animation:move-background 150s linear infinite;
    -webkit-animation:move-background 150s linear infinite;
    animation:move-background 150s linear infinite;
**/
}
.clouds-a{
    width:10000px;
    height: 100%;
    background: transparent url("/img/clouds_repeat-min-400.png") repeat;
    background-size: 1900px 1000px;
    position: fixed;
    opacity: .5;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: -1;
    -moz-animation:move-background 150s linear infinite;
    -ms-animation:move-background 150s linear infinite;
    -o-animation:move-background 150s linear infinite;
    -webkit-animation:move-background 150s linear infinite;
    animation:move-background 150s linear infinite;
}