题解 | #添加元素#
定位 - z-index
http://www.nowcoder.com/practice/9654df407115464c8865c8c77a3a728e
{"css":"","js":"","html":"<!DOCTYPE html>\n<html>\n <head>\n <meta charset=utf-8>\n <style type=\"text/css\">\n * {\n margin: 0;\n padding: 0;\n }\n img{\n position:absolute;\n left: 0;\n top:0;\n z-index: -1;\n }\n </style>\n </head>\n <body>\n \t<h1>The countdown to Christmas starts here.</h1>\n <img src=\"https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fuploads.xuexila.com%2Fallimg%2F1912%2F1135-191202143454.jpg&refer=http%3A%2F%2Fuploads.xuexila.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1639984107&t=eca951193e736a17eb96278117bcfb1f\" width=\"100\">\n <p>由于图像的 z-index 是 -1，因此它在文本的后面出现。</p>\n </body>\n</html>","libs":[]}
