How to create arrow with menu dropdown

[luutruong]

Hi all,
How to i can create arrow for dropdown menu? like

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From xf:​

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[luutruong]

anyone help?

 

[Jake Bunce]

CSS arrows are a little crazy. Here is a code example:

http://xenforo.com/community/thread...using-css-instead-of-images.7511/#post-393644

You will need to use similar CSS when styling the popup menu. This really requires advanced CSS ability.

 

[TsinJu]

This may help
http://css-tricks.com/snippets/css/css-triangle/

Found via Google