ADDED CSS STYLE FOR CONFIG NETWORK PAGE.

Added some style for network config page.
- To make the text box disable look.
- make the text area not scrollable.
- align the text.

Change-Id: Ia21b300d7edb4a99d6d39f4dff3fd5ed1e5d5982
Merge "ADDED CSS STYLE FOR CONFIG NETWORK PAGE." into R1.10