css3 keyframes animation

html,body,div,span,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,address,big,cite,code,del,em,font,img,ins,small,strong,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend{margin:0;padding:0;}ol,ul{list-style:none;}:focus{outline:0;}a img{border:0;}img{vertical-align:top;}table{empty-cells:show;}ins{text-decoration:none;}del{text-decoration:line-through;}em{font-style:normal;}button::-moz-focus-inner,input[type="reset"]::-moz-focus-inner,input[type="button"]::-moz-focus-inner,input[type="submit"]::-moz-focus-inner,input[type="file"]>input[type="button"]::-moz-focus-inner{border:none;padding:0;}.clearfix{*zoom:1;}.clearfix:after{content:".";display:block;height:0;clear:both;visibility:hidden}body{font:14px/1.5 "宋体";background:#fff;}a{color:#000;text-decoration:none;}a:hover{ text-decoration:underline;}.fl{float:left;}.fr{float:right;}.hide{display:none;}.show{display:block}.ad{display:block;height:auto;clear:both;margin-bottom:8px;overflow:hidden;zoom:1;}

#wrap{1000px;
      height:auto;
      clear:both;
      margin:0 auto;
      padding-left:12px;
      padding-right:12px;
      overflow:hidden;
      *zoom:1;}
.item-a li{_display:inline;float:left;margin:0 0 10px 7px}
.item-a .pic{312px;height:184px;border:solid 6px #e6e6e6}
@keyframes pulse {
    0% {
    transform:scale(1)
    }
    50% {
    transform:scale(1.3)
    }
    100% {
    transform:scale(1)
    }
}
@-webkit-keyframes pulse {
    0% {
    -webkit-transform:scale(1)
    }
    50% {
    -webkit-transform:scale(1.3)
    }
    100% {
    -webkit-transform:scale(1)
    }
}
@-moz-keyframes pulse {
    0% {
    -moz-transform:scale(1)
    }
    50% {
    -moz-transform:scale(1.1)
    }
    100% {
    -moz-transform:scale(1)
    }
}

.item-a li:hover .pic{
    border:solid 6px #c00202;
    animation:pulse 1s 0s ease both;
    -webkit-animation:pulse 1s 0s ease both;
    -moz-animation:pulse 1s 0s ease both;}

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml%22%3E%3Chead>
<meta http-equiv="Content-Type" content="text/html; charset=gbk">
<title>爱漫莎</title>

<link href="css/master.css" rel="stylesheet" />
<body>

</body></html>