<center> tag is deprecated. How to do center aligning without this tag?

Answer 1

use the align attribute e.g. <hr align="center"/>

Answer 2

you can also go with the CSS approach.
to center the text inside any element.

HTML
<div>Centered text.</div>

CSS
div {text-align: center;}

also if you would like to have the whole div centered on the html page.

HTML
<div>Centered text.</div>

CSS
div {
width: ( specify some width here. );
margin-left: auto;
margin-right: auto;
}

or to set margin in one line
margin: 0 auto;

or to apply custom top and bottom margin
margin: 5px auto 15px auto;

Answer 3

Use CSS and then reference that in a <div class=""></div>

Answer 4

align="center"