css的margin与padding练习
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>margin</title> <style> body{ margin:0px; } .div1{ background-color: aqua; height:300px; width:300px; border:1px solid greenyellow; /*通过margin将100X100小盒子放在300X300大盒子中间*/ padding:200px 0px 0px 200px; } .div2{ background-color: blueviolet; height:100px; width:100px; /*通过margin将小盒子放在大盒子中间*/ /*margin:100px;*/ } </style></head><body><div class="div1"> <div class="div2"></div> <!--<div class="div2"></div>--></div></body></html> 相关推荐
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