Bootstrap is the most popular HTML, CSS, and JS framework for developing responsive, mobile first projects on the web.
Bootstrap makes front-end web development faster and easier. It’s made for folks of all skill levels, devices of all shapes, and projects of all sizes.
It’s not just the content on the web, or the headcount of public online that is budding – the number of ways we can actually get online is also on the rise. currently, we can find ourselves interacting with websites on our laptops, TVs, phones, tablets, and even on our watches.
Structure web applications that work properly and look great on all these different devices is one of the most ordinary challenges that web developers and designers now face. With more and more web traffic coming from mobile, it’s not enough to say, “At least it works on desktop.”
Responsive website design is the move towards to web design focused on adapt the content and layout of web pages depending on the size of the screen used to view them. Responsive frameworks, like Bootstrap, use a variety of techniques, such as grid systems and adjustable images (more on these below), to ensure that a user’s experience with a website is not diminished, whether it is viewed on a 27 inch computer screen or a 5.5 inch phone.