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CSS float

pytharm中快速写4个div    : div.div1*4 Tab

演示代码:

<!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <title>FloatTest</title>    <style>               .div1{                   text-align: center;                   line-height: 50px;                   width: 30px;                   height: 50px;                   background-color: #2aabd2;                   float: left;        }                .div2{                    text-align: center;                    line-height: 50px;                    width: 40px;                    height:50px;                    background-color: #8a6d3b;                    float: left;        }                .div3{                    text-align: center;                    line-height: 50px;                    width: 50px;                    height:60px;                    background-color: #b92c28;                          }                .div4{                    text-align: center;                    line-height: 50px;                    width: 100px;                    height:70px;                    background-color: #e90592;                }    </style></head><body><div class="div1">1</div><div class="div2">2</div><div class="div3">3</div><div class="div4">4</div></body></html>

技术分享

 

给div1跟div2添加float:left

技术分享

给div3,div4添加float: left;并且让3 4在第二行,需要给3清楚浮动 clear: both;

技术分享
<!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <title>FloatTest</title>    <style>               .div1{                   text-align: center;                   line-height: 50px;                   width: 30px;                   height: 50px;                   background-color: #2aabd2;                   float: left;        }                .div2{                    text-align: center;                    line-height: 50px;                    width: 40px;                    height:50px;                    background-color: #8a6d3b;                    float: left;        }                .div3{                    text-align: center;                    line-height: 50px;                    width: 50px;                    height:60px;                    background-color: #b92c28;                    float: left;                    clear: both;        }                .div4{                    text-align: center;                    line-height: 50px;                    width: 100px;                    height:70px;                    background-color: #e90592;                    float: left;                }    </style></head><body><div class="div1">1</div><div class="div2">2</div><div class="div3">3</div><div class="div4">4</div></body></html>
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技术分享

 

CSS float