Pestañas con bordes redondeados
(Better) Tabs with Round Out Borders
A good-looking tab control usually has one feature that I’ve always found impossible to reproduce without images: borders that bend to the outside at the bottom of each tab. In this article I would like to show how you can use the CSS :before and :after pseudo elements to create this effect without using images.
URL: http://css-tricks.com/better-tabs-with-round-out-borders/
