body{
    overflow:hidden;
}
#clouds, #sky, #night, #stars{
    position:absolute;
    top:0px;
    left:0px;
    right:0px;
    bottom:0px;
    width:100%;
}
#sky{
    background:#fff url(../images/sky.png) repeat-x top left;
    z-index:1;
}
#sun_yellow{
    position:absolute;
    left:45%;
    top:50%;
    width:150px;
    height:152px;
    background:transparent url(../images/sun.png) no-repeat center center;
    z-index:2;
}
#sun_red{
    position:absolute;
    left:45%;
    top:50%;
    width:150px;
    height:152px;
    background:transparent url(../images/sun2.png) no-repeat center center;
    z-index:2;
    opacity:0;
    filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);
}
#clouds{
    background:transparent url(../images/clouds.png) repeat-x top left;
    z-index:3;
}
#ground{
    position:absolute;
    left:0px;
    right:0px;
    bottom:0px;
    width:100%;
    height:232px;
    background:transparent url(../images/ground.png) repeat-x bottom center;
    z-index:3;
}
#night{
    background-color:#000;
    z-index:4;
    opacity:0;
    filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);
}
#stars{
    bottom:200px;
    background:transparent url(../images/stars.png) repeat bottom center;
    z-index:5;
    opacity:0;
    filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);
}
#sstar{
    position:absolute;
    left:40%;
    top:10%;
    width:126px;
    height:80px;
    background:transparent url(../images/shootingstar.png) no-repeat 80px -200px;
    z-index:5;
    opacity:0;
    filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);
}
#moon{
    position:absolute;
    left:45%;
    top:60%;
    width:168px;
    height:168px;
    background:transparent url(../images/moon.png) no-repeat center center;
    z-index:6;
    opacity:0;
    filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);
}

/* Стили для демонстрации*/

#title{
    position:absolute;
    left:0px;
    top:0px;
    width:500px;
    height:300px;
    background:transparent url(../title.png) no-repeat center center;
    z-index:6;
    opacity:0;
    filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);
}
#back{
    position:absolute;
    right:0px;
    bottom:0px;
    width:176px;
    height:50px;
    background:transparent url(../back.png) no-repeat center center;
    z-index:6;
    outline:none;
    cursor:pointer;
    opacity:0;
    filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);
}