Can we dynamically adjust font size based on the width of a div using CSS?

My div is set to 70% width and I have a specific goal in mind:

  • To fill that div with text
  • To adjust the font size so that it takes up the entire width of the div

https://i.stack.imgur.com/goVuj.png

Would it be possible to achieve this using only CSS? Below is the code I have tried so far:

.parent {
  width:70%;
  height:auto;
  min-height:100px;
  background:red;
  font-size:10vw;
}
I need assistance in dynamically adjusting the font size within the parent class
<hr>
<div class="parent">
  This Text
</div>

Important Note: The div's size adapts responsively. Thank you for your help!

htmlcssfontsresponsive-designfont-size

Answer №1

Maybe this solution isn't exactly what you had in mind, but it offers a way to adjust both the font size and element width based on the view width.

p {
  font-size: 5vw;
  background-color: red;
  width: 50vw;
}
<p>
  I'm a P!
</p>

Answer №2

To fix the issue, simply include display: inline; in your code.

.parent {
  width: 70%;
  height: auto;
  min-height: 100px;
  background: red;
  font-size: 10vw;
  display: inline;
}
<div class="parent">
  This Text
</div>

Answer №3

**You can adjust the font size dynamically**
        .parent {
      width:50%;
      height:auto;
      min-height:80px;
      background:blue;
      color:white;
      font-size:12vh;
    }
    Can you assist me in changing the font size dynamically for the parent element?
    <hr>
    <div class="parent">
      Text
    </div>

Answer №4

A solution can be found by utilizing JavaScript, particularly jQuery.

Here is the JavaScript code snippet:

$(function(){

var box = $('.box');
var boxWidth = box.width();

$('.box h1').css('font-size', boxWidth);

});

You can check out an example of this implementation here.

Answer №5

Here is the updated version.... JS Fiddel

Take a look at this

CSS

.parent 
 {
      width:70%;
      height:auto;
      min-height:100px;
      background:red;
      font-size:10vw;          
  }



span{
      display:inline-block;
      transform:scale(1.8,1);
      -webkit-transform:scale(3,1);
 }

HTML

<div class="parent">
  <span>This Text</span>
 </div>

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