题解 | #表单类型#
绝对定位
http://www.nowcoder.com/practice/d9c56c0e7418437cbb6a59632af72939
{"css":".box { \n width: 100px; \n height: 100px; \n /*补全代码*/ \n border:1px solid black; \n position:fixed; \n left:0; \n top:0; \n}","js":"","html":"<div class='box'></div>","libs":[]}
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