Revert "添加了歌曲信息、歌词，修改了背景，响应式和兼容性"

This reverts commit d7cf79bec92338af1b09c0a48a648a3b7ccdb208.

Conflicts:
	images/Thumbs.db

	modified:   css/style.css
	modified:   images/bgimg.jpg
	modified:   index.html
	modified:   list.php
	modified:   player.php