I want to create some decent inputs for my form, and I would really like to know how TWITTER does their glowing border around their inputs.
Example/Picture of the Tw
SLaks hit the nail on the head but you might want to look over the changes for inputs in CSS3 in general. Rounded corners and box-shadow are both new features in CSS3 and will let you do exactly what you're looking for. One of my personal favorite links for CSS3/HTML5 is http://diveintohtml5.ep.io/ .