Why does my Tumblr Dashboard look like this?

http://www.flickr.com/photos/60370309N05/5699556252/

And how do you fix it

that’s happened if you ask me too..just try closing all your tabs and also refreshing the actual page.
it should perform!
expect this made it simpler for:)

Just should:

Help Facility / With all the Dashboard:
http://www.tumblr.com/docs/en/dashboard
Tagged/how to customize dashboard:
http://www.tumblr.com/tagged/how+to+customize+dashboard
The way to Customize your own Dashboard:
http://niggayougay.tumblr.com/post/717531766/how-to-customize-your-dashboard
Change and Create a Tumblr Custom-made Dashboard Background:
http://tumblring.net/change-and-create-a-tumblr-customized-dashboard-background/

Ron.