Edit line thickness of CSS ‘underline’ attribute

December 9, 2022 by Tarik

Here is one way of achieving this :

HTML :

<h4>This is a heading</h4>

<h4><u>This is another heading</u></h4>

CSS :

u {
  text-decoration: none;
  border-bottom: 10px solid black;
}

Here is an example: http://jsfiddle.net/AQ9rL/