Picture and Text align

Hello, i would like to change the css setting of my theme,
which the picture and text should be in this way:

content text
picture
description

but not text follow after the picture.

Everything seem normal on the post editor page,
but in preview and after publish it becomes like this:
http://princess.zettai-glay.com/beauty/881/

what i want is like this post:
http://princess.zettai-glay.com/beauty/823/

below are my css, can someone help me amend?

[CSS moderated as per the Forum Rules.]

thank you ~