I need help with single post image overlaps

Hi all here is my website https://www.freshoutng.com

i use a different mobile theme for my mobile version of the website and i always have images at the beginning of every post, my problem is that every image in the post overlaps the single post div

an example is https://www.freshoutng.com/2013/06/23/kay-switch-obi-mo-ft-dbanj/

Here is my style.css

[ 333 lines of code moderated, that’s just way too much. For that many lines of code please use pastebin.com instead. Or just post a link to your CSS. ]

Help pls