Doubts about CSS_html/css_WEB-ITnose

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Release: 2016-06-24 11:45:39
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In the following code, there are four DIVs A, B, C, and D. Why is the text content of the last DIV separated and the border of DIV D moved to the first line?

<!DOCTYPE html><html><head lang="en">    <meta charset="UTF-8">    <title>CSS</title></head><style type="text/css">    .A, .B, .C {        float: left;        width: 200px;        height: 100px;        margin: 1em;        border-style: solid;        border-width: 1px;        border-color: #ccc;    }    .D {        width: 200px;        height: 100px;        margin: 1em;        border-style: solid;        border-width: 1px;        border-color: #A94E38;    }</style><body><div class="A">Text in div A</div><div class="B">Text in div B</div><div class="C">Text in div C</div><div class="D">Text in div D</div></body></html>
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Operation effect

Please clarify, thank you.


Reply to discussion (solution)


You are doing this because floating elements have an impact on unfloated elements (standard document flow). Just use clear.

<!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <title>Document</title></head> <style type="text/css">    .A, .B, .C {        float: left;        width: 100px;        height: 100px;                border: solid 2px blue;        background-color: green;    }     .D {        width: 200px;        height: 200px;        background-color: red;    }    /* 清除浮动元素对当前元素的影响 */    .clear {         clear: both;    }</style> <body><div class="A">Text in div A</div><div class="B">Text in div B</div><div class="C">Text in div C</div> <div class="D clear">Text in div D</div> </body></html>
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Thanks, I found a blog post based on your tips,
http://www.cnblogs.com/polk6/archive/ 2013/07/25/3142187.html
Still trying to understand

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