Your <article> for some reason is using position: absolute. In this style: ".main-content#blog article:after, .main-content #blog article:after", just delete t

Your <article> for some reason is using position: absolute. In this style: ".main-content#blog article:after, .main-content #blog article:after", just delete the position: absolute line (not sure where that is in your css file as yours is concatenated/minified in your theme).