I have some buttons using , which when clicked get a blue selected color!
Is there a way to remove this feature?
You can remove the blue outline by using outline: none.
However, I would highly recommend styling your focus states too. This is to help users who are visually impaired.
Check out: http://www.w3.org/TR/2008/REC-WCAG20-20081211/#navigation-mechanisms-focus-visible. More reading here: http://outlinenone.com