style change etc.

* style change
* fix missing jquery error
* delete dip

Change-Id: I27a189221b88b1c3f690edeb4b87fcc6fb811da4
Signed-off-by: liuhuahang <liuhuahang@xiaomi.com>
add back styles.css

Change-Id: Ic71ba9bf7aeb21508fa58f499da9be36eb6eb8c8
Signed-off-by: liuhuahang <liuhuahang@xiaomi.com>