What is the best way to decrease the font size of every element in the DOM?

Is there a way to decrease the size of all DOM elements by a specific amount?

Currently, I am using Bootstrap styles where h5 is set at 14px and I need it to be 12px, and h1 is at 36px when I want it to be 34px, and so forth.

I have considered two options:

  1. To create custom CSS for each element individually, which would require significant adjustments.
  2. Using jQuery to loop through all DOM elements, identify their font sizes, and reduce them by 2px. This approach may negatively impact page load speed.

Are there any better alternatives to achieve this goal more efficiently?

csstwitter-bootstrapcross-browser

Answer №1

If you're looking to establish a consistent font size across your website, consider setting a base font size using the body element and utilizing rem units.

To do this, define the font-size property for your body as follows:

body {
    font-size: 12px;
}

By doing this, each rem unit will be equivalent to your base font size:

1rem = 12px

Therefore, ensure that all elements have their font sizes set in terms of rem.

To easily scale everything on your site, you can simply adjust the font-size property within the body, resulting in proportional scaling for other elements.

This approach makes the units relative.*

If you prefer a JavaScript solution, you can explore plugins like ScaleText or similar alternatives.

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