求助，关于<li>宽度控制的问题_html/css_WEB-ITnose
Jun 21, 2016 am 09:47 AMHTML页面设计 网页布局
<body><form id="form1" ><div><ul style="width: 100%"><li style="width: 40%">abc</li><li style="width: 40%">def</li><li style="width: 20%">ghi</li></ul></div></form><body>
我的想法是让这三个列表项处在同一行，可是三个列表项并不在同一水平行。含有ghi的那个
我后来设置了所有元素的border，padding，margin为none或者0，但结果还是开始一样显示的。
我就是搞不明白，三个
- 的width。我试了把最后一个
- 标签的width改为19%，然后三个
- 就是并列显示了。（注：我已经设置了
- 的float为left了）。
大家能给我指点一下吗？ 谢谢了！
回复讨论(解决方案)
li是块级元素，是会自动往下排的，而不像p，img这类行级元素会直接连在后面，style里加上float:left; 这个属性就可以了，会变成漂浮元素进行漂浮排列，最后最好在所有
- 后再加上一行清除漂浮，以免影响接下来的布局
li是块级元素，是会自动往下排的，而不像p，img这类行级元素会直接连在后面，style里加上float:left; 这个属性就可以了，会变成漂浮元素进行漂浮排列，最后最好在所有
- 后再加上一行清除漂浮，以免影响接下来的布局
不好意思，没有注意到最后你已经漂浮了，既然是19%有问题，估计是哪个margin或者padding出问题，可能没检查出来，试试在样式里面加上一句 *{margin:0;padding:0} 呢假设ul在实际显示的时候宽度是789px,那么3个li标签的宽度分别是315.6px 315.6px 157.8px,应该是这个问题吧
一些老版本的浏览器不会认识float类型的宽度，造成了误差。一般在写代码时，就要考虑padding和magin的默认属性。
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