solarsystem.css

body{

    overflow:hidden;
    margin: 0;
    background: #000; 
}
video{ 
    position: fixed;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -100;
    transform: translateX(-50%) translateY(-50%);
    background-size: cover;
}
#heading{
    font-family: "Times New Roman", Georgia, Serif;
    text-align: center;
    padding-right: 15px;

}
#heading h1 {

  font-weight: bold;
  color: #00cccc;
  font-size: 45px;

}

#btn{
  font-family: "Times New Roman";
  font-size:30px;
  position: absolute;   
   width: 120px;
   left:20px;
   top:20px;
   margin-bottom:60px;
   background: #00cccc;
   color: #fff;
   font-size: 30px;
   font-weight: bold;
   line-height: 1.3em;
   border: 2px;
   border-radius: 10px;
   box-shadow: 0 0 0 4px #00cccc, 2px 1px 6px 4px rgba(10, 10, 0, 0.5);
   text-shadow: -1px -1px #aa3030;
   font-weight: normal;
}
#btn:hover {
    background-color: red;
}

#link{
    position: absolute;
    left: 500px;
    bottom: 10px;
    color: #00cccc;
    font-family: "Times New Roman", Georgia, Serif
}
ul.solarsystem {
    position: relative;
    height: 640px;
    left: 520px;
    top: -80px;
    list-style: none;   
}
ul.solarsystem li {
    text-indent: -9999px;
    display: block;
    position: absolute;
    border: 1px solid red;
}
ul.solarsystem li span {
    display: block;
    position: absolute;
    width: 10px;
    height: 10px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
}
ul.solarsystem li.sun {
    width: 40px;
    height: 40px;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    border-radius: 20px;
    background: #fc3;
    background-image: -webkit-gradient(
        linear,
        left bottom,
        left top,
        color-stop(0.22, rgb(204,153,0)),
        color-stop(1, rgb(255,219,112))
    );
    background-image: -moz-linear-gradient(
        center bottom,
        rgb(204,153,0) 22%,
        rgb(255,219,112) 100%
    );
    top: 302px;
    left: 462px;
    border: none;
   /*shadow effect on sun*/
    box-shadow: 0 0 60px #c90;
    z-index: 100;  
}
ul.solarsystem li.sun span {
    width: 60px;
    height: 60px;
    -webkit-border-radius: 30px;
    -moz-border-radius: 30px;
    border-radius: 30px;   
}
ul.solarsystem li.mercury {
    width: 100px;
    height: 100px;
    -webkit-border-radius: 52px;
    -moz-border-radius: 52px;
    border-radius: 52px;
    top: 270px;
    left: 430px;
    z-index: 99;
}
ul.solarsystem li.mercury span {
    background: #b6bac5;
    top: 10px;
    left: 10px;
}
ul.solarsystem li.venus {
    width: 160px;
    height: 160px;
    -webkit-border-radius: 82px;
    -moz-border-radius: 82px;
    border-radius: 82px;
    top: 240px;
    left: 400px;
    z-index: 98;
}
ul.solarsystem li.venus span {
    background: #bf8639;
    top: 118px;
    left: 5px;
}
ul.solarsystem li.earth {
    width: 220px;
    height: 220px;
    -webkit-border-radius: 112px;
    -moz-border-radius: 112px;
    border-radius: 112px;
    top: 210px;
    left: 370px;
    z-index: 97;
}
ul.solarsystem li.earth span {
    background: #06c;
    top: 56px;
    left: 5px;
}
ul.solarsystem li.earth span.moon {
    width: 4px;
    height: 4px;
    -webkit-border-radius: 2px;
    -moz-border-radius: 2px;
    border-radius: 2px;
    background: #ccc;
    top: 12px;
    left: 12px;
}
ul.solarsystem li.mars {
    width: 280px;
    height: 280px;
    -webkit-border-radius: 142px;
    -moz-border-radius: 142px;
    border-radius: 142px;
    top: 180px;
    left: 340px;
    z-index: 96;
}
ul.solarsystem li.mars span {
    background: #aa4200;
    top: 0px;
    left: 175px;
}
ul.solarsystem li.asteroids_meteorids {
    top: 155px;
    left: 315px;
    z-index: 1;
    background: url(asteroids_meteorids.jpg) no-repeat 0 0;
    width: 330px;
    height: 330px;
    -webkit-border-radius: 165px;
    -moz-border-radius: 165px;
    border-radius: 165px;
    border: none;
}
ul.solarsystem li.jupiter {
    width: 340px;
    height: 340px;
    -webkit-border-radius: 172px;
    -moz-border-radius: 172px;
    border-radius: 172px;
    top: 150px;
    left: 310px;
    z-index: 95;
}
ul.solarsystem li.jupiter span {
    background: #e0ae6f;
    top: 67px;
    left: 24px;
}
ul.solarsystem li.saturn {
    width: 400px;
    height: 400px;
    -webkit-border-radius: 202px;
    -moz-border-radius: 202px;
    border-radius: 202px;
    top: 120px;
    left: 280px;
    z-index: 94;
}
ul.solarsystem li.saturn span {
    background: #dfd3a9;
    top: 24px;
    left: 300px;
}
ul.solarsystem li.saturn span.ring {
    width: 12px;
    height: 12px;
    -webkit-border-radius: 8px;
    -moz-border-radius: 8px;
    border-radius: 8px;
    background: none;
    border: 2px solid #5a4e34;
    left: -3px;
    top: -3px;
    -webkit-transform: skewY(65deg);
    -moz-transform: skewY(65deg);
    -o-transform: skewY(65deg);
    transform: skewY(65deg);
}
ul.solarsystem li.uranus {
    width: 460px;
    height: 460px;
    -webkit-border-radius: 232px;
    -moz-border-radius: 232px;
    border-radius: 232px;
    top: 90px;
    left: 250px;
    z-index: 93;
}
ul.solarsystem li.uranus span {
    background: #82b3d1;
    top: 7px;
    left: 300px;
}
ul.solarsystem li.neptune {
    width: 520px;
    height: 520px;
    -webkit-border-radius: 262px;
    -moz-border-radius: 262px;
    border-radius: 262px;
    top: 60px;
    left: 220px;
    z-index: 92;
}
ul.solarsystem li.neptune span {
    background: #77c2ec;
    top: 0px;
    left: 200px;
}
ul.solarsystem li.pluto {
    width: 580px;
    height: 580px;
    -webkit-border-radius: 292px;
    -moz-border-radius: 292px;
    border-radius: 292px;
    top: 30px;
    left: 190px;
    z-index: 91;
}
ul.solarsystem li.pluto span {
    background: #7c6a5c;
    top: 79px;
    left: 79px;
}
ul#descriptions {
    position: absolute;
    top: 120px;
    left: 35px;
    list-style: none;
}
ul#descriptions h2 {
 
     font-family: "Times New Roman", Georgia, Serif;
    cursor: pointer;
    color: #00cccc;
    font-size: 25px;
    position: relative;
    z-index: 101; 
    margin-bottom: -5px;

    
}
ul#descriptions h2:hover {
   color: white; 
   font-size: 30px;

}
ul#descriptions li p {
    position: absolute;
    left: 250px;
    top: 0;
    width: 410px;
    display: inline;
    opacity: 0;
    visibility: hidden;
    font-size: 20px;
    font-family:"Times New Roman";
    border-radius: 20px;
   
    transition: all 0.4s ease-in;
    background:#111212;
    padding: 20px;

    color: #00cccc;
    margin-left: 20px;

    line-height: 1.7;
    z-index: 100;

    border: 2px solid #00cccc;
}
ul#descriptions h2:hover+p {
    visibility: visible;
    opacity: 0.9;
    left: 200px;
}

/* CSS3 Animations */
ul.solarsystem li {
    -webkit-animation-iteration-count:infinite;
    -webkit-animation-timing-function:linear;
    -webkit-animation-name:orbit;
    
    -moz-animation-iteration-count:infinite;
    -moz-animation-timing-function:linear;
    -moz-animation-name:orbit;
}
ul.solarsystem li.earth span {
    -webkit-animation-iteration-count:infinite;
    -webkit-animation-timing-function:linear;
    -webkit-animation-name:moon;
    
    -moz-animation-iteration-count:infinite;
    -moz-animation-timing-function:linear;
    -moz-animation-name:moon;
}
ul.solarsystem li.mercury {-webkit-animation-duration:5s; -moz-animation-duration:5s;}
ul.solarsystem li.venus {-webkit-animation-duration:8s; -moz-animation-duration:8s;}
ul.solarsystem li.earth {-webkit-animation-duration:12s; -moz-animation-duration:12s;}
ul.solarsystem li.earth span {-webkit-animation-duration:2s; -moz-animation-duration:2s;}
ul.solarsystem li.mars {-webkit-animation-duration:20s; -moz-animation-duration:20s;}
ul.solarsystem li.asteroids_meteorids {-webkit-animation-duration:50s; -moz-animation-duration:50s;}
ul.solarsystem li.jupiter {-webkit-animation-duration:30s; -moz-animation-duration:30s;}
ul.solarsystem li.saturn {-webkit-animation-duration:60s; -moz-animation-duration:60s;}
ul.solarsystem li.uranus {-webkit-animation-duration:70s; -moz-animation-duration:70s;}
ul.solarsystem li.neptune {-webkit-animation-duration:100s; -moz-animation-duration:100s;}
ul.solarsystem li.pluto {-webkit-animation-duration:120s; -moz-animation-duration:120s;}

@-webkit-keyframes orbit { from { -webkit-transform:rotate(0deg) } to { -webkit-transform:rotate(360deg) } }
@-webkit-keyframes moon { from { -webkit-transform:rotate(0deg) } to { -webkit-transform:rotate(360deg) } }

@-moz-keyframes orbit { from { -moz-transform:rotate(0deg) } to { -moz-transform:rotate(360deg) } }
@-moz-keyframes moon { from { -moz-transform:rotate(0deg) } to { -moz-transform:rotate(360deg) } }