What is Bootstrap and its introduction

Bootstrap Introduction

Bootstrap is the well known HTML, CSS and JavaScript system for building up a responsive and mobile friendly website.

<meta name="viewport" content="width=device-width, starting scale=1">

The .container class gives a responsive fixed width container.

The .container-fluid class gives a full width container, traversing the whole width of the viewport.

.container-fluid class gives a full-width container which traverses the whole width of the viewport. In the underneath model, the div with class "container-fluid" will take-up the total width of the viewport and will extend or contract at whatever point the viewport is resized.

Jumbotron Inside Container 

The Inside container is utilized in jumbotron, on the off chance that you need the jumbotron to not stretch out to the edge of the screen 

<div class="jumbotron"> 

Bootstrap Page Header : <div class="page-header">