Eliminate space on the left of textwidget

I’m using Responsive Theme for this web. I have several widgets in the main page. I would like to know how can I eliminate the space on the left of the texwidget containing ad-sense so it looks aligned with the rest of the widgets.

Thanks.

[closed as duplicate – https://www.ads-software.com/support/topic/how-can-i-adjust-adsense-position?replies=4 ]