Denzel Chia
Moderator
Post count: 3211
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#19317 |

Hi,

Your screenshot http://s2.postimg.org/43kx4kjwp/2015_07_29_08_09_36.png is too small cannot see anything.

After reading your explanation, I assume that the following screenshot is what you want to achieve. http://prntscr.com/7yakpe

Please use the following codes in Theme Options -> Custom CSS
It will only affect fullwidth shortcode. You can change the 90% to a larger number.

Thanks!