Fill in the Blanks CSS and Bootstrap FrameworkOnline version Fill in the blank part 2 by Sachitra Wanninayake 1 4 buttons 12 CDN responsive plugins free Stacked getbootstrap CSS 768px Opera Firefox Chrome com HTML front framework modals grid system end container 1 . Bootstrap is a - for faster and easier web development . 2 . Bootstrap includes and CSS based design templates for typography , forms , , tables , navigation , , image carousels and many other , as well as optional JavaScript . 3 . Bootstrap also gives you the ability to easily create designs 4 . Anybody with just basic knowledge of HTML and can start using Bootstrap . 5 . Bootstrap is compatible with all modern browsers ( , , Internet Explorer 10 + , Edge , Safari , and ) . 6 . There are two ways to start using Bootstrap 4 on your own web site . You can : Include Bootstrap 4 from a or Download Bootstrap 4 from . 7 . The . class provides a responsive fixed width container 8 . Bootstrap's is built with flexbox and allows up to columns across the page . 9 . . col - md - ( medium devices - screen width equal to or greater than ) 10 . Bootstrap provides two types of form layouts : ( full - width ) form and Inline for m