Bootstrap sizing is a utility which allows you to adjust elements width or height. Bootstrap 3 Jumbotron Example.Jumbotron is a class in which h1 and p elements have specific CSS values on which the entire design is built. Bootstrap CSS 概览 在这一章中，我们将讲解 Bootstrap 底层结构的关键部分，包括我们让 web 开发变得更好、更快、更强壮的最佳实践。 HTML 5 文档类型（Doctype） Bootstrap 使用了一些 HTML5 元素和 CSS 属性。为了让这些正常工作，您需要使用 HTML5 文档类型（Doctype）。 There, I simply specified the width of 360px that will override the default value. Bootstrap Web Development CSS Framework To set the width of an element to 50%, use the .w-50 class in Bootstrap.
Bootstrap Icons are designed to work best with Bootstrap components, but they’ll work in any project. Simply name the parent container div class .jumbotron and the whole layout design will come in the front.. To make Bootstrap Jumbotron full width and without round corners, add the .container (max-width: 100%;) class after the jumbotron class or … Besides, I have also changed the default header properties to change the look: The Output: Bootstrap Panel Heading You can simply add the .panel-heading class.

For this demo, the .modal-dialog class which is the built-in class of Bootstrap framework for the modal window is used in the