Inset border effect easy and simple.
From oldest to newest versions of the common browsers, such as: chrome, firefox, safari, opera............ IE.
Sure, inset border is a pretty effect, but can be a pain in the ass because involve measure movement.
Just call the plugin at the element you want to add a inset border effect.
$(document).ready(function(){
$('a').borderEffect();
});
The plugin add position:relative to the element that will receive the border, and append a with position:absolute, this have a border-width effect that not move the content, easing the work of do a inset border effect.