Font Size

Utilities to change an element's font-size.

Usage

Use d-{fs|headline}-{stop} to change an element's font-size in the product or d-{fs|headline}-{stop}-{platform} to change in other platforms (mobile, tc8, tv).

<p class="d-fs-100">...</p>
<p class="d-fs-200">...</p>
<p class="d-fs-300">...</p>
<p class="d-fs-400">...</p>
<p class="d-fs-500">...</p>

Classes by Platform

Product

Size
Class
Output
12px .d-fs-100
font-size: 1.2rem !important;
Aa
15px .d-fs-200
font-size: 1.5rem !important;
Aa
19px .d-fs-300
font-size: 1.9rem !important;
Aa
27px .d-fs-400
font-size: 2.7rem !important;
Aa
38px .d-fs-500
font-size: 3.8rem !important;
Aa

Mobile

Size
Class
Output
12px .d-fs-100-mobile
font-size: 1.2rem !important;
Aa
16px .d-fs-200-mobile
font-size: 1.6rem !important;
Aa
20px .d-fs-300-mobile
font-size: 2rem !important;
Aa
29px .d-fs-400-mobile
font-size: 2.9rem !important;
Aa
41px .d-fs-500-mobile
font-size: 4.1rem !important;
Aa

TC8

Size
Class
Output
17px .d-fs-100-tc8
font-size: 1.7rem !important;
Aa
21px .d-fs-200-tc8
font-size: 2.1rem !important;
Aa
27px .d-fs-300-tc8
font-size: 2.7rem !important;
Aa
38px .d-fs-400-tc8
font-size: 3.8rem !important;
Aa
54px .d-fs-500-tc8
font-size: 5.4rem !important;
Aa

TV

Size
Class
Output
25px .d-fs-100-tv
font-size: 2.5rem !important;
Aa
32px .d-fs-200-tv
font-size: 3.2rem !important;
Aa
41px .d-fs-300-tv
font-size: 4.1rem !important;
Aa
58px .d-fs-400-tv
font-size: 5.8rem !important;
Aa
82px .d-fs-500-tv
font-size: 8.2rem !important;
Aa
Font Size documentation last updated Thursday, June 11, 2026