About Bootstrap


  • Bootstrap is a  front-end framework hat enables developers & designers to quickly build fully responsive websites.
  • Bootstrap was developed by Mark Otto and Jacob Thornton at Twitter, and released as an open source product in August 2011 on GitHub.
  • It contains HTML and CSS-based design templates for typography, forms, buttons, navigation and other interface components, as well as optional JavaScript extensions
Some Reasons for programmers preferred Bootstrap Framework
  • Responsive features
  • Browser compatibility
  • Base styling for most HTML elements
  • Great grid system
  • Bundled Javascript plugins

Default Settings

Bootstrap's  default font-size is 14px, and line-height is 1.428.
This is applied to the <body> and paragraphs.
 All <p> elements have a bottom margin that equals half line-height (10px by default)

Two ways to Get Bootstrap on your own web.

  1. Download Bootstrap from http://getbootstrap.com/
  2. Include Bootstrap from a CDN
CDN(Content Delivery Network). We can use fallowing Link.
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">

<!-- Optional theme -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">

<!-- Latest compiled and minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>

Advantages of CDN


The advantages include:

  • Decrease server load
  • Faster content delivery
  • 100 percent availability
  • Increase in the number of concurrent users
  • More control of asset delivery

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