body{
background-repeat: no-repeat;
   background-size: cover;
   -webkit-background-size: cover;
   -o-background-size: cover;
   -moz-background-size: cover;
   animation-name: hapkaSlider;
animation-timing-function: linear;
animation-iteration-count: infinite;
animation-duration: 30s; /* 60s */
animation-direction: alternate;
-moz-animation-name: hapkaSlider;
-moz-animation-timing-function: linear;
-moz-animation-iteration-count: infinite;
-moz-animation-duration: 30s;
-moz-animation-direction: alternate;
-webkit-animation-name: hapkaSlider;
-webkit-animation-timing-function: linear;
-webkit-animation-iteration-count: infinite;
-webkit-animation-duration: 30s;
-webkit-animation-direction: alternate;
-o-animation-name: hapkaSlider;
-o-animation-timing-function: linear;
-o-animation-iteration-count: infinite;
-o-animation-duration: 30s;
-o-animation-direction: alternate;
-ms-animation-name: hapkaSlider;
-ms-animation-timing-function: linear;
-ms-animation-iteration-count: infinite;
-ms-animation-duration: 30s;
-ms-animation-direction: alternate;
}
@-moz-keyframes hapkaSlider {
0% { background: url("http://www.gemini.edu/images/pio/wallpaper/20100106_background_1200x800.jpg"); background-repeat: no-repeat; }
20% { background: url("http://www.thescifiworld.net/img/wallpapers/users/magma_03_1200x800.jpg");background-repeat: no-repeat; }
40% { background: url("http://www.gemini.edu/images/pio/wallpaper/20100422_ngc1313_1200x800.jpg"); background-repeat: no-repeat; }
60% { background: url("http://blog.fileplanet.com/wp-content/uploads/2011/10/Battlefield-3-Game-Informer-Wallpaper-1200x800.jpg");background-repeat: no-repeat; }
80% { background: url("http://www.gemini.edu/images/pio/wallpaper/20100125_w33a_artwork_1200x800.jpg");background-repeat: no-repeat; }
100% { background: url("http://wallpaperscrunch.com/wallpapers/0/hwang-mi-hee-jeans-shorts-style-other.jpg");background-repeat: no-repeat;}
}
@-webkit-keyframes hapkaSlider {
0% { background: url("http://www.gemini.edu/images/pio/wallpaper/20100106_background_1200x800.jpg"); background-repeat: no-repeat;}
20% { background: url("http://www.thescifiworld.net/img/wallpapers/users/magma_03_1200x800.jpg");background-repeat: no-repeat; }
40% { background: url("http://www.gemini.edu/images/pio/wallpaper/20100422_ngc1313_1200x800.jpg");background-repeat: no-repeat; }
60% { background: url("http://blog.fileplanet.com/wp-content/uploads/2011/10/Battlefield-3-Game-Informer-Wallpaper-1200x800.jpg");background-repeat: no-repeat; }
80% { background: url("http://www.gemini.edu/images/pio/wallpaper/20100125_w33a_artwork_1200x800.jpg");background-repeat: no-repeat; }
100% { background: url("http://wallpaperscrunch.com/wallpapers/0/hwang-mi-hee-jeans-shorts-style-other.jpg");background-repeat: no-repeat; }
}