Replacing the Profile with my own code, it's not working. D: Options

[arara]

My xanga's in horrible trouble right now. My Xanga. You'll see what's wrong with it- I can't seem to replace the profile with my own stuff. If anybody can please tell me what I'm doing wrong, I'd appreciate it. Thanks!

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[arara]

What I'm trying to do is add:

<!-- begin code provided by createblog.com --><br />strong{<br />color:#BFDFFF;<br />font-family: Arial;<br />font-weight:bold;<br />font-size:7.5pt;<br />}<br /><style type=text/css><br />div.blogheader, .caption {<br />/* edits the dates */<br />font-family:arial;<br />font-size:9px;<br />line-height:9px;<br />font-weight:bold;<br />color:#FFBFDF;<br />letter-spacing:2px;<br />text-align: left;<br />text-transform: uppercase;<br />border-bottom: #FFDFBF 1px solid;<br />margin-bottom:8px;<br />}<br /><br /><!-- end code provided by createblog.com -->

which is changing the bolded fonts to another color, changing the color of the dates, and change the scroll bar colors.