Hi Eva,
I know you reply in case#23135 but how do you add the same code for the image below? I want to have the same way for the transparent image. I tried the code as proposed but it covers the whole page including the logo (See in private).
http://i1340.photobucket.com/albums/o728/LibardoBarreto/JUNK/gfdgdfg_zpsa6bc545d.png
>> Text element of Visual Composer editor is used there and the background color for that column set is rgba(247,247,247,0.3). <<