Javascripts & ' Remember to save '

Hello,
I am quite new to Opera and I think it is absolutely wonderful and efficient.
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I would love to continue using this browser however I am a constant Tumblr (www.tumblr.com) blogger.
Tumblr's home, dashboard and all the main pages work, even viewing other people's blogs, but mine doesn't
and I have no idea why.
It works on every other browser, just for Opera it turns out misplaced like this:

(opera)

when it should look like this:

(safari)

I am sure I am using the newest version of Opera, so I don't know what's the issue.
Usually however when first opening the Tumblr home page it asks me this:


Whether I click Approve or Reject the format of my blog will still look all jumbled.
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I also wondering if the Remember To Save option works or not?
I click yes, and tick the box and it doesn't really do anything at all.
Does Opera not have auto-fill or something? It would be easier..

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Apologies if this is in the wrong section, I was certain this is where it should be posted..

Thanks,
Chinar.