{"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":[]}

.box { width: 100px; height: 100px; /补全代码/ border:1px solid black; position:fixed; left:0; top:0; }