With Bootstrap, you just have to apply one simple rule – one design to manage all the files regardless of the orientation of the website. With just “domain.com” your website would appear the same on a mobile, tablet and desktop.
Before innovative framework of Bootstrap was introduced, different libraries were used for interface development, but Bootstrap HTML design has made things easy and convenient for the developers as well as for young entrepreneurs.
Bootstrap is intended to facilitate people of all talents and skill; may it be a designer or developer, an early beginner or huge nerd. You may use it as a full set, or for starting up something really complex.