#643 - Fix modalbox on VM pages.

This commit just copies over modalbox.scss to modals.scss.

modalbox.css, which was earlier enabled for VM pages was missed. Moved its content to modals.css,
which is included by the main application.scss into both VM pages as well as Rails pages.
#643 - Reformat CSS file, modals.css.

Just a reformat. Removed some wrong spacing.
#643 - Fix typo in modal box CSS.
Merge pull request #647 from arvindsv/fix_modalbox_in_vm_pages

#643 - Fix modalbox in vm pages