How can I unlock my Nexus 10 screen icons?

[AC Question]

my nexxus 10 screen icons are locked

When I tap on an icon a green box is created but the icon does not activate its function

 

[B. Diddy]

Re: my nexxus 10 screen icons are locked

Welcome to Android Central! You might have an Accessibility option turned on. Go to Settings>Accessibility,​ and turn off any option there that may be turned on (with the exception of Auto Rotation).