*{margin:0;padding:0}
/*总体框架布局*/
#experiment{
-webkit-perspective:800;
-moz-perspective:800;
perspective:800;
-webkit-perspective-origin:50% 50%;
-moz-perspective-origin:50% 50%;
perspective-origin:50% 50%;
-webkit-transform-style:-webkit-preserve-3d;
-moz-transform-style:-webkit-preserve-3d;
transform-style:preserve-3d;
}
#block{
width:500px;
height:500px;
background-color:#0ff;
margin:100px auto;

-webkit-transform:rotateX(45deg);
-moz-transform:rotateX(45deg);
transform:rotateX(45deg);
}