When using the Web client and performing field editing, the back pane will be grayed out and it will be difficult to read the file information and fill out the required information in the fields.
The non-active window will be grayed out to expose the current active window for the user.
You could modify this and set it to the clarity your client prefers by following the below steps.
Navigate to the following path:
Locate the file default.css and ensure to make a back up.
Scroll in the file and locate the following
Chang the following settings from 85 to 15 to improve the visibility of the inactive window :
Be sure to clear the browser cache as the CSS files are typically cached by your browser
6.2 Service Pack 2