css，响应鼠标事件，文字变色

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>hover</title>
</head>
<body>
    <style type="text/css">
        .s1{
            /*background-color: gold;*/
            font-size:0;
        }

        .s1 span{
            width:98px;
            height: 30px;
            border:1px solid black;
            display:inline-block;
            padding: 0;
            font-size:16px;
            margin-left:-1px;
            text-align: center;
            line-height: 30px;
        }

        .s1 span:hover{
            background-color: gold;
        }
    </style>

    <div class="s1">
        <span>标题</span>
        <span>标题</span>
        <span>标题</span>
        <span>标题</span>
    </div>
</body>
</html>

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