Bootstrap 3 is one of the best CSS web design Frameworks for responsive web design on which every web designer or web developer can trust completely. There are many resources on the internet that will allow you extend and beautify Bootstrap and we, from webdesignfreebies, decided to introduce one of them.
Have you heard of Bootflat? If not, you will love it. Bootflat is a free flat UI kit which is includes all the components that a complete website should contain. Working with it is easy and straightforward. You just need to download the UI kit, extract the Bootflat files and at the bottom, of your <head> tag just paste one line of code. It is supported by IE8, IE9, IE10, Firefox, Safari, Opera, Chrome. There is also a free PSD file for those of you who want to do mockups. Bootflat is an open source framework and you can use in your own personal or commercial projects for free.