如题 在i7版本下就显示一个叉!
ie7以下不支持base64
.dot {
background-image: url(data:image/gif;base64,R0lGODlhBAABAIABAMLBwfLx8SH5BAEAAAEALAAAAAAEAAEAAAICRF4AOw==);
*background-image: url(http://www.zhangxinxu.com/wordpress/wp-content/themes/default/images/zxx_dotted.gif); // IE6~IE7
background-repeat: repeat-x;
background-position: left bottom;
}
http://www.zhangxinxu.com/wordpress/2012/04/base64-url-image-%E5%9B%BE%E7%89%87-%E9%A1%B5%E9%9D%A2%E6%80%A7%E8%83%BD%E4%BC%98%E5%8C%96/