background-color:yellow ; /*ie8*/
+background-color:pink; /*ie7*/
_background-color:orange; /*ie6*/ }
:root #test { background-color:purple9; } /*ie9*/
@media all and (min-width:0px){ #test {background-color:black ;} } /*opera*/
@media screen and (-webkit-min-device-pixel-ratio:0){ #test {background-color:gray;} } /*chrome and safari*/
6.请用Css写一个简单的幻灯片效果页面
答案:知道是要用css3。使用animation动画实现一个简单的幻灯片效果。
CSS Code复制内容到剪贴板
/**HTML**/
div.ani
/**css**/
.ani{
width:480px;
height:320px;
margin:50px auto;
overflow: hidden;
box-shadow:0 0 5px rgba(0,0,0,1);
background-size: cover;
background-position: center;
-webkit-animation-name: "loops";
-webkit-animation-duration: 20s;
-webkit-animation-iteration-count: infinite;
}
@-webkit-keyframes "loops" {
0% {
background:url(http://d.hiphotos.baidu.com/image/w%3D400/sign=c01e6adca964034f0fcdc3069fc27980/e824b899a9014c08e5e38ca4087b02087af4f4d3.jpg) no-repeat;










