css3/css02_selector.html at master · sangmin0816/css3 · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>선택자</title>
    <style>
        p[title]{border-bottom: 1px solid black;}
        p[id="a"]{background-color: lightpink;}
        p[id~="a"]{color: red;}
        p[id|="bb"]{background-color: lightgoldenrodyellow;}
        p[id^="bb"]{border-top: 2px dotted green;}
        p[id$="cc"]{border-bottom: 2px dashed skyblue;}
        p[id*="d"]{border-left: 2px solid blue;}
        section p{border: 1px black solid;}
        section>p{width: 50%;}
        h1+p{color:red;}
        h2+p{color:blue;}
        h1~p{background-color: pink;}
        li:first-of-type{color:red;}
        li:first-child{background-color: pink;}
        li:last-child{color:blue;}
        li:last-of-type{background-color: aqua;}
        li:nth-child(2){color:orange;}
        li:nth-of-type(2){background-color: beige;}
        li:nth-child(2n){border-bottom: 1px gray solid;}
        li:nth-child(2n+1){border-bottom: 1px green dotted;}
        li:only-child{background-color: lightgreen;}
        p:only-of-type{background-color: lightcoral;}
        h1:empty::before{content: "비어있음";}
    </style>
</head>
<body>
    <p title="title">1 only title</p>
    <p id="a">2 "a"</p>
    <p id="a bb">3 "a bb"</p>
    <p id="bb">4 "bb"</p>
    <p id="bb- a-">5 "bb- a-"</p>
    <p id="bb-a cc">6 "bb-a cc"</p>
    <p id="cc">7 "cc"</p>
    <p id="d-cc">8 "d-cc"</p>
    <p id="abcde">9 "abcde"</p>
    <hr>
    <section>
        <h1>H1</h1>
        <p>p1</p>
        <p>p2</p>
        <div>
            <p>p3</p>
            <p>p4</p>
        </div>
        <h2>H2</h2>
        <hr>
        <p>p5</p>
    </section>
    <hr>
    <h1></h1>
    <ul>ul1
        <li>ul1_li1</li>
        <li>ul1_li2</li>
        <li>ul1_li3</li>
    </ul>
    <ol>ol
        <li>ol_li1</li>
    </ol>
    <ul>ul2
        <p>paragrpaph</p>
        <li>ul2_li1</li>
        <li>ul2_li2</li>
        <li>ul2_li3</li>
    </ul>
</body>
</html>