body {}
#div1 {position:relative; width:750px; height:450px; margin: 5% auto 0; }
#div1 a {position:absolute; top:5%; left:0px; font-family: Microsoft YaHei; color:#fff; font-weight:bold; text-decoration:none; padding: 3px 6px; }
#div1 a:hover {border: 1px solid #eee; background: #000; }
#div1 .blue {color:blue;}
#div1 .red {color:red;}
#div1 .yellow {color:yellow;}

#div1 p { font: 16px Microsoft YaHei; text-align: center; color: #ba0c0c; }
#div1 p a { font-size: 14px; color: #ba0c0c; }
#div1 p a:hover { color: red; }