If you are using Firefox and want to center the content, try this:
Install the Firefox addon Greasemoney, https://addons.mozilla.org/en-US/firefox/addon/748/
Visit this site and right click on the Monkey icon in the Firefox status bar and choose new user script.
Enter a name, e.g. ‘Center’ and a namespace, e.g. http://example.com/test.
In the editor add the following,
// ==UserScript==
// @name Center
// @namespace http://example.com/test
// @description test
// @include http://www.f1fanatic.co.uk/*
// ==/UserScript==
var c = document.getElementById('container');
c.style.marginLeft = 'auto';
c.style.marginRight = 'auto';
Note the trailing * on the @include directive to include every page.
Refresh the page and it will be centered.
Right click the Monkey icon to disable.