body{
    width: auto;
    z-index: 0;
    height: 680px;
    background: -webkit-radial-gradient(#555,#000);
    background: -moz-radial-gradient(#555,#000);
    background: -0-radial-gradient(#555,#000);
    background: radial-gradient(#555,#000);
}

#heading{
    color: white;
    font-family: cursive;
    width: 100%;
}

@-webkit-keyframes stars{
    from{ opacity: 0.8; }
    to  { opacity: 0.1; }
}

@-o-keyframes stars{
    from{ opacity: 0.8; }
    to  { opacity: 0.1; }
}

@-moz-keyframes stars{
    from{ opacity: 0.8; }
    to  { opacity: 0.1; }
}

@keyframes stars{
    from{ opacity: 0.8; }
    to  { opacity: 0.1; }
}

@-webkit-keyframes sun{
    from{
        -webkit-box-shadow: 0 0px 50px 1px orange;
        -moz-box-shadow: 0 0px 50px 1px orange;
        -o-box-shadow: 0 0px 50px 1px orange;
        box-shadow: 0 0px 50px 1px orange;
    }
    to{
        -webkit-box-shadow: 0 0px 50px 15px orange;
        -moz-box-shadow: 0 0px 50px 15px orange;
        -o-box-shadow: 0 0px 50px 15px orange;
        box-shadow: 0 0px 50px 15px orange;
    }
}

@-moz-keyframes sun{
    from{
        -webkit-box-shadow: 0 0px 50px 1px orange;
        -moz-box-shadow: 0 0px 50px 1px orange;
        -o-box-shadow: 0 0px 50px 1px orange;
        box-shadow: 0 0px 50px 1px orange;
    }
    to{
        -webkit-box-shadow: 0 0px 50px 15px orange;
        -moz-box-shadow: 0 0px 50px 15px orange;
        -o-box-shadow: 0 0px 50px 15px orange;
        box-shadow: 0 0px 50px 15px orange;
    }
}

@-o-keyframes sun{
    from{
        -webkit-box-shadow: 0 0px 50px 1px orange;
        -moz-box-shadow: 0 0px 50px 1px orange;
        -o-box-shadow: 0 0px 50px 1px orange;
        box-shadow: 0 0px 50px 1px orange;
    }
    to{
        -webkit-box-shadow: 0 0px 50px 15px orange;
        -moz-box-shadow: 0 0px 50px 15px orange;
        -o-box-shadow: 0 0px 50px 15px orange;
        box-shadow: 0 0px 50px 15px orange;
    }
}

@keyframes sun{
    from{
        -webkit-box-shadow: 0 0px 50px 1px orange;
        -moz-box-shadow: 0 0px 50px 1px orange;
        -o-box-shadow: 0 0px 50px 1px orange;
        box-shadow: 0 0px 50px 1px orange;
    }
    to{
        -webkit-box-shadow: 0 0px 50px 15px orange;
        -moz-box-shadow: 0 0px 50px 15px orange;
        -o-box-shadow: 0 0px 50px 15px orange;
        box-shadow: 0 0px 50px 15px orange;
    }
}

-webkit-@keyframes rotat{
    form{
        transform: rotate(0deg);
    }
    to{
        transform: rotate(360deg);
    }
}

-moz-@keyframes rotat{
    form{
        transform: rotate(0deg);
    }
    to{
        transform: rotate(360deg);
    }
}

-o-@keyframes rotat{
    form{
        transform: rotate(0deg);
    }
    to{
        transform: rotate(360deg);
    }
}

@keyframes rotat{
    form{
        transform: rotate(0deg);
    }
    to{
        transform: rotate(360deg);
    }
}

#stars{
    color: white;
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    background: url('stars.png');
    opacity: 0.5;
    
    -webkit-animation: stars 5s   infinite alternate;
    -moz-animation: stars 5s   infinite alternate;
    -o-animation: stars 5s   infinite alternate;
    animation: stars 5s   infinite alternate;
}

#sun{
    position: absolute;
    z-index: 2;
    top: 50%;
    left: 50%;
    margin-top: -100px;
    margin-left: -100px;
    
    width: 200px;
    height: 200px;
    
    -webkit-border-radius: 100%;
    -moz-border-radius: 100%;
    -o-border-radius: 100%;
    border-radius: 100%;
    
    background: #ffa500;
    -webkit-background: radial-gradient(#f5c313,#ec7e08);
    -moz-background: radial-gradient(#f5c313,#ec7e08);
    -o-background: radial-gradient(#f5c313,#ec7e08);
    background: radial-gradient(#f5c313,#ec7e08);
    
    -webkit-box-shadow: 0 0px 50px 1px orange;
    -moz-box-shadow: 0 0px 50px 1px orange;
    -o-box-shadow: 0 0px 50px 1px orange;
    box-shadow: 0 0px 50px 1px orange;
    
    -webkit-animation: sun 5s   infinite alternate;
    -moz-animation: sun 5s   infinite alternate;
    -o-animation: sun 5s   infinite alternate;
    animation: sun 5s   infinite alternate;
}

#earth-orbit{
    position: absolute;
    z-index: 2;
    top: 50%;
    left: 52%;
    margin: -250px 0 0 -250px;
    
    height: 500px;
    width: 600px;
    border: none;
    -webkit-border-radius: 100%;
    -moz-border-radius: 100%;
    -o-border-radius: 100%;
    border-radius: 100%;
    
    -webkit-animation: rotat 30s linear infinite;
    -moz-animation: rotat 30s linear infinite;
    -o-animation: rotat 30s linear infinite;
    animation: rotat 30s linear infinite;
}

img[alt="Earth"]{
    position: absolute;
    top: 50%;
    left: 0;
    margin: -25px 0 0 0;
    
    -webkit-animation: rotat 5s linear infinite;
    -moz-animation: rotat 5s linear infinite;
    -o-animation: rotat 5s linear infinite;
    animation: rotat 5s linear infinite;
}

#moon-orbit{
    width: 110px;
    height: 110px;
    border: none;
    
    position: absolute;
    top: 50%;
    margin: -55px 0 0 -30px;
    
    -webkit-border-radius: 100%;
    -moz-border-radius: 100%;
    -o-border-radius: 100%;
    
    -webkit-animation: rotat 5s linear infinite reverse;
    -moz-animation: rotat 5s linear infinite reverse;
    -o-animation: rotat 5s linear infinite reverse;
    animation: rotat 5s linear infinite reverse;
}

#moon{
    width: 20px;
    height: 20px;
    
    -webkit-border-radius: 100%;
    -moz-border-radius: 100%;
    -o-border-radius: 100%;
    border-radius: 100%;
    
    background: -webkit-radial-gradient(#ddd,#888);
    background: -moz-radial-gradient(#ddd,#888);
    background: -o-radial-gradient(#ddd,#888);
    background: radial-gradient(#ddd,#888);
    
    position: absolute;
    top: 50%;
    margin: -10px 0 0 0px;
}

footer{
    font-family: Georgia;
    font-size: 12px;
    color:#999;
    font-variant-caps:small-caps;
    padding: 5px 0;
    text-align: center;
    position: absolute;
    transform: translate(600px,-50px);
    border-top: solid 1px #999;
    border-bottom: solid 1px #999;
    z-index: 10000;
}

a{
    color: #999;
    text-decoration: none;
}