Use this procedure to adjust the transparency of the Properties palette. The more transparent the Properties palette, the better you can see objects in your drawing underneath it. 
Note: Transparency is not available if hardware acceleration is enabled. 
- In the title bar of the Properties palette, click 
and then click Transparency.  
- To adjust the transparency of the Properties palette, drag the slider towards Less or More. 
 
- To turn off transparency, select Turn off window transparency. 
 
- Click OK.