批改状态:合格
老师批语:
作业内容:

<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8" /><meta http-equiv="X-UA-Compatible" content="IE=edge" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><title>qq在线客服</title><style>* {margin: 0;padding: 0;box-sizing: border-box;}body {width: 90vw;height: auto;position: relative;font-size: 14px;background-color: white;overflow: auto;}.container {position: fixed;z-index: 55;right: 0;bottom: 85px;}</style></head><body><div style="height: 10000px"></div><div class="container"><img src="images/qq.png" alt="" /></div></body></html>
仿课堂案例写一个三行三列的定位布局, 色块或边框代表内容就可以

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