I am having issues placing my sidebars on both sides (left and right) of my blog and these staying within the flow of the content. After seeking some support on WebDeveloper, they said it had to do with my use of position: absolute and position: relative for the primary and secondary sidebars.
I have fully validated XHTML Strict 1 and CSS 3, and have removed all my use of positioning on elements for the layout itself, except for said issue, those being the sidebar. My site can be found here and the styles I am using here. If I remove my use of absolute positioning, the sidebar is displayed below the container.