There are no buttons in extensions.gnome.org website. So I am unable to download shell extensions. I have already installed gnome-shell in ubuntu 12.04. My GNOME screen looks very pale.
11 Answer
First you need to click on the name of the extensions in this page and an ADD button will be displayed on the left side of the extension name.
This can happen sometimes (I experienced it). Try doing these
Refresh the page (sometimes requires several times)
Wait for it to be viewed
Resize the browser window
Check you are using gnome-shell (not gnome-classic or Unity session or others)
Try different browser.
Waiting and refreshing worked for me.
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