摘要： 1.>常见的针对IE的hack有三种, _ * 与 !important; #outer {width:200px; height:200px; background:orange; _background:silver;} /*the _ just for IE6*/ #inner {width:50px; height:50px; background:pink; *background:purple;} /*the * for IE6/7 */ em {color:red !important; color:yellow; text-decoration:line-through 阅读全文