Physician Heal Thyself: When WordPress Themes go Bad

Just had an irritating couple of hours when I discovered that my WordPress Theme was broken. The sidebar had slipped to underneath the main column, and the background of the main posting area had disappeared. I tried clearing my cache first of all. Then I tried looking at the site in different browsers. It was still broken in IE: although the symptoms were slightly different the sidebar was still misplaced.

OK, time to roll my sleeves up …

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