<Meta charset="utf-8"/> div { position: absolute; left: 0; height: 0; width: 100%; height: 100%; color: #fff; /*动画元素transform-style*/ -webkit-transform-style: preserve-3d; -moz-transform-style: preserve-3d; -webkit-transition: .8s ease-in-out ; -moz-transition: .8s ease-in-out ; /*动画元素背后设置为hidden*/ -webkit-backface-visibility: hidden; -moz-backface-visibility: hidden; } #content ul li a div:first-child { /* 绕y轴旋转 */ -webkit-transform: rotateY(0); -moz-transform: rotateY(0); z-index: 2; } #content ul li a div:last-child { background: url("images/bg.jpg") no-repeat 0 0; -webkit-transform: rotateY(180deg); -moz-transform: rotateY(180deg); z-index: 1; } #content ul li a:hover div:first-child { -webkit-transform: rotateY(-180deg); -moz-transform: rotateY(-180deg); } #content ul li a:hover div:last-child { -webkit-transform: rotateY(0); -moz-transform: rotateY(0); } #content ul li a div h3 { margin: 0 auto 15px; padding: 15px 0; width: 200px; height: 16px; line-height: 16px; font-size: 14px; text-align: center; border-bottom: 1px #fff dashed; } #content ul li a div p { padding: 0 10px; font-size: 12px; text-indent: 2em; line-height: 18px; }