With reference to the following demo page.
There are some full width containers with parallax background.
The shortcode for full width container is found in your WordPress admin -> Add/Edit Page -> content editor Click on the theme4press shortcode button found on the content editor.
Please see screenshot, it’s the button with a number 4 on it. http://prntscr.com/7a9w0l
It will pop up and you can select the full width container shortcode and follow through the instructions.
Please see screenshot http://prntscr.com/7a9wbz
You can add text content or shortcodes.
Use the blank page template for a full width effect.
I am sorry, that’s all the information we can provide. We do not provide customization design service.