id选择符和标签的混合类
示例一
#commonuse a {
 background-image: url(/img/crsky_i_112.gif);
 background-repeat: no-repeat;
 background-position: 6px center;
 padding-left:26px;
}

示例二
#softlist td {
 font-family:"宋体";
 word-break:break-all;
}

类选择符和标签的混合类
示例一
a.a1:visited {color:#002357;text-decoration: none;}
a.a1:link {color:#002357;text-decoration: none;}
a.a1:active {color:#002357;text-decoration: none;}
a.a1:hover {color:#000;text-decoration: underline;}
示例二
#nav a:visited {color:#00062B;text-decoration: none;}
#nav a:link {color:#00062B;text-decoration: none;}
#nav a:active {color:#00062B;text-decoration: none;}
#nav a:hover {color:#00062B;text-decoration: underline;}