如何让textarea占满div的宽度？_html/css_WEB-ITnose
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回复讨论(解决方案)
不太明白楼主的意思？
不就是 width 100%吗？
把 rows="6" cols="80"删掉~·然后通过样式给宽度
大家最好在浏览器中看看效果，rows="6" cols="80"本来就没写，虽是100%宽度，但实际占的宽度超出了800px，不知道为什么？？？
用firebug看一下就一目了然了。
大家最好在浏览器中看看效果，rows="6" cols="80"本来就没写，虽是100%宽度，但实际占的宽度超出了800px，不知道为什么？？？
红色部分那是什么？
引用 3 楼 的回复:
大家最好在浏览器中看看效果，rows="6" cols="80"本来就没写，虽是100%宽度，但实际占的宽度超出了800px，不知道为什么？？？
抬杠啊，我是说去掉也没用的，你试试看吧~~~
用firebug看一下就一目了然了。
不想再安装firefox了，也没用过firebug，能说明一下如何处理吗？谢谢啦哈~~~~
你没有定义通用样式，你加上这段代码
*{ margin:0; padding:0;}
并且textarea默认室友边框的，它也占据宽度，定义
textarea{ border:none;}
问题就解决了，楼主可以试下，反正我测试的是没有问题的。
你没有定义通用样式，你加上这段代码
*{ margin:0; padding:0;}
并且textarea默认室友边框的，它也占据宽度，定义
textarea{ border:none;}
问题就解决了，楼主可以试下，反正我测试的是没有问题的。
O(∩_∩)O谢谢帮助~~~，确是 border 及 margin 的问题~~~
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