SOURCE

<a href="https://www.baidu.com/">baidu</a>
<a href="https://www.163.com/">163</a>

<a href="https://www.baidu.com/">baidu</a>
<a href="https://www.163.com/">163</a>

<div>
    hi
    <p>
        dddddd
    </p>
</div>

a:link{
    color:orange;
}
a:hover{
    color:green;
}
a:active{
    color:deeppink;
}
a:visited{
    color:black;
}

div:hover{background-color: blue
}

div:hover p{color: orange
}