An HTML wrapper permits you to center header, content, and footer inside a webpage. Headers could be very fancy. Using CSS or bootstrap in a creative way can give you with a sidebar, or two-column look to your active website pages.
<div class="wrapper"> content... </div>
How this works: Create a wrapper and assign it a certain width. Apply an automatic horizontal margin to it by using margin: auto or margin-left: auto or margin-right: auto property. Make sure your content will be centered.
There are three methods to align header with wrapper that are discussed below:
Method 1: Align header with the wrapper in CSS.
Method 2: Align header with wrapper in Bootstrap 4.
Note: A “wrapper” encapsulates all other visual components on the page. The most straightforward way is to have a “wrapper” div part with a width along with left and right auto-edges. Negative edges can also be used for horizontal and vertical centering. But it comes with its own drawbacks like, if the window browser will be resized, the content cannot be seen any longer.
Method 3: Align header with flexbox in Bootstrap 4. In the following example, CSS “Flexbox” within the nav is used to center the content.
Difference between wrapper and container: In programming languages, the word container is used for structures that can contain more than one part. A wrapper is something that wraps around a single object to give a better flexible interface.
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