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I got Opera 10.60, I just switched from Google Chrome, and I need some help. In Chrome and FireFox there's that add-on called "Stylish". But it's not available in Opera. (If you don't know what that add-on is go here.)

I read that it's still possible without that add-on, but I didn't get it, if someone knows how to do it tell me. What I want to do is to put this instead of the regular YouTube page. Please help me.

Im sorry for all of the links, but if you don't understand then just comment and I'll explain. Thank you!

asked Aug 10 '10 at 20:00

sebastianq28's gravatar image


edited Aug 10 '10 at 20:20

Mihkel's gravatar image


It would seem you want to add a CSS script to be loaded by webpages or a specific website. This is a common, yet very unknown, feature of web browsers. The most common usage is to block web ads using CSS scripts like "Fanboy's Adblock List for Opera"

Firstly, I am not sure the code at that site is pure CSS compliant, you may not be able to use this one or you may have to modify it. If it does work, get the code and save it to a file with "css" as the extension.

  1. launch Opera
  2. Go to the preferences
  3. Go to the Advance section
  4. In the list on the left, click on "Content"
  5. at the bottom of this section click on "Manage Site Preference..."
  6. Then click "add..." in the window that pops up.
  7. In the new window, where there is a text box with "Site" on the left of it, type "http://www.youtube.com/"
  8. Go to the Display section in this same window.
  9. At the bottom is a text field with the text "My Style Sheet" above it, and a "browse.." or "choose.." button on the side, click this button.
  10. Browse to that CSS file and select it.
  11. Click "OK" to close and add the site to the managed site list.
  12. Click "Close" to close the managed site window.
  13. Click "OK" to close and set the Preferences.
  14. Go to Youtube.

answered Aug 10 '10 at 20:11

Granit's gravatar image


edited Aug 10 '10 at 20:13

it didint work is modifying hard heres the code

(Aug 10 '10 at 20:32) sebastianq28 sebastianq28's gravatar image


i made that into a file called blah.css and nothing happened

(Aug 10 '10 at 20:33) sebastianq28 sebastianq28's gravatar image

Hm, looking over the code it appears it is 100% CSS compliant, the only portion that Opera may not understand is the line with "@-moz-document...".

The link you just provided is the wrong code, that's a js file that seems to generate the CSS code. Go here: http://userstyles.org/styles/26923 and click on "Show Code". Copy and paste the code it presents to a text editor, remove the line with "@-moz-document" at the beginning, then remove the line below it with the "{". At the very bottom, remove the last "}". Save it as a CSS file and try that.

Edit: This style uses CSS3, and some parts are still in draft forms in certain browsers, so there's parts in this file with things like "-moz-border-radius-topleft" these will be ignored by Opera unless you write them like "border-top-left-radius", as ones with "-moz" are Mozilla only and "-webkit" is webkit only. here's more info:


(Aug 10 '10 at 20:41) Granit Granit's gravatar image

remove the whole load of letters at the end?????????????????????????????????

please help me itl be esiar (if its OK with u ) if you send me the finished code i should ust to sebastianq28@aim.com) or answer woth it if it fits or just answer the exact section i should delete

(Aug 10 '10 at 21:05) sebastianq28 sebastianq28's gravatar image

First problem, you are using Opera. Switch back to Firefox which actually supports add-ons and you will have no problems.

To answer your question though, no Opera doesn't have support for what you are trying to do. No matter if you do it with grease-monkey, stylish, etc.

Hope that helps.

answered Aug 10 '10 at 20:06

Sozo's gravatar image


so did u go to the website???

(Aug 10 '10 at 20:09) sebastianq28 sebastianq28's gravatar image

second link..........

(Aug 10 '10 at 20:09) sebastianq28 sebastianq28's gravatar image

Yep. I've seen the black version of youtube before. As the commenter below pointed out there are some stylish like things you can do, but I still think you are better off with Firefox. I'm not sure why you'd pick Opera to begin with, but that's just my opinion.

(Aug 10 '10 at 20:25) Sozo Sozo's gravatar image

First check this out and see if it's the right thing. Also you could look here for more info.

answered Aug 10 '10 at 20:08

Mihkel's gravatar image


the dont have a download for opera 10.60

(Aug 10 '10 at 20:28) sebastianq28 sebastianq28's gravatar image

remove the whole load of letters at the end?????????????????????????????????

answered Aug 10 '10 at 21:00

sebastianq28's gravatar image


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Asked: Aug 10 '10 at 20:00

Seen: 1,149 times

Last updated: Aug 10 '10 at 21:05