Note: It is recommended to use the Stylus extension for Firefox or Chrome to test this to make sure this favlet is not blocked by certain page policies. Install Stylus (not the stylish extension) and then left click or activate the toolbar icon. Choose manage styles and then choose New Style. The CSS below can be put into Stylus - name and then save the style. then the style should be activate. You can check or uncheck the style from running by clicking/activating the Stylus icon on the toolbar and checking the stylus to have active for the page.

* {
   line-height: 1.5 !important;
 }
 p {
   margin-bottom: 2em !important;
 }
 * {
   letter-spacing: 0.12em !important;
 }
 * {
   word-spacing: 0.16em !important;
 }

Increase text spacing to test WCAG 2.1 Text Spacing SC.