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【04】padding border margin相关

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block;padding:0 20px;outline:none;border:1px solid #ccc;width

gif html部分 body> img src="img/gailun.

3)wxss文件 1 2 3 button{ margin-top:10px; } 来自code的

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html" frameborder="0" id=rightifra name=rightifra

margin:0;padding:0;}body{background:#eee;}a{text-decoration

box-sizing: border-box; box-sizing: border-box; width

移动端和web端(弹性盒模型实例).gif

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