73 lines
1.4 KiB
HTML
73 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width-device-width,initial-scale=1.0">
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<title>浮动</title>
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<style>
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.parent {
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width: 800px;
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/* height: 400px; */
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border: 10px solid blue;
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}
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.parent::after {
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/* 利用伪类清除父盒子的浮动 */
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content: "";
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display: block;
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clear: both;
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}
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.box1 {
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float: left;
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width: 250px;
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height: 80px;
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background-color: #ed7d31;
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}
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.box2 {
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width: 400px;
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height: 100px;
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background-color: #70ad47;
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}
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.box3 {
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width: 200px;
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height: 100px;
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background-color: #7030a0;
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}
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</style>
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</head>
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<body>
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<div class="parent">
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<div class="box1">box1</div>
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<div class="box2">box2</div>
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<div class="box3">box3</div>
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<div style="clear: both;"></div>
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<!-- 清除父盒子浮动 -->
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</div>
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</body>
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</html>
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<!--
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文档流
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浮动
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1.浮动单元 处于浮动
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2.不会遮挡内容(文本内容)
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3.要会想象有个眼睛
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4.不占原有文档流的位置(可以给父盒子清除浮动)
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--> |