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<style>
@(7) {
background-color: red;
}
</style>
<body>
<h1>This is a header.</h1>
<p>This is a paragraph.</p>
<a href="https://91xjr.com">This is a link.</a>
</body>
<style>
a:hover {
background-color: red;
}
</style>
<body>
<h1>This is a header.</h1>
<p>This is a paragraph.</p>
<a href="https://91xjr.com">This is a link.</a>
</body>
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下一题 ❯<style>w3exercise_input_no_0{ background-color: red; } </style> <body> <h1>This is a header.</h1> <p>This is a paragraph.</p> <a href="https://91xjr.com">This is a link.</a> </body> |