With Fluid typography you can set the max size (desktop) and the min size (mobile) in 1 line. The font size will grow / shrink depending on the size of the viewport. I will not shrink below the min size or grow above the max size. By doing this your fonts (especially titles) will always show nice in all devices between desktop and mobile. To do this you can use a font calculator like this: https://websemantics.uk/tools/responsive-font-calculator/ Here you choose the font size, viewport size and minmax. The result is a font size rule like this: min(max(48px, calc(3rem + ((1vw - 3.2px) * 2.268))), 70px) To do this is quite cumbersome if you have a lot of fonts (H1 - H6, body, links etc). It would be awesome if the calculator can be integrated in BD. So you set the min size, max size. The viewport can be taken from the global settings. This would make Fluid typography in BD so much easier. Thanks!