change the size of navigation menu

please help me, how to change the size from (930*62) into (970*62) of the nav menu?

Implementing css button in my blogger blog...

am almost new to css and html, i usually search google for the code i needed and do some modification to work for me.

currently i want to implement a button in my blogger blog and here is how it works in example Original button example see original working button here
here is my test blog where i have implemented it but not working fine.

Visit my blog here

whose css code is as follow.

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