Please Help Catch Responsive Website Width

hey team hope you're good I was looking on 'help section' here in this forum and I found something that I want. I want my website to be full width like this website: http://54.83.45.133/2006/03/14/holi-australia-tour-2006/ so my website is: http://www.leooglobe.com/category/tutorials/ full width menu and <div id="page" class="hfeed site"> all my website page to be full width, look this photo: http://s19.postimg.org/u7ob9kaxv/fafawf.png hope you are understanding what I am saying.