Default design needs some improvement. Just darkening the background (for contrast would improve a lot).
Maybe it's just me, but the default font even when zoomed in isn't great.
Checked on both ungoogled chromium and librewolf. (For default references.)
Tools used:
1.) Dark reader (browser addon) (for font color contrast)
settings: brightness: -10, contrast: +5, Text stroke: 0.1, mode: Filter.
2.) Fonts (browser settings) (font readability)
Sans: IBM Plex Sans
Mono: JuliaMono
3.) Zoom (browser settings) (font readability)
Zoomed to 120%
(https://i.imgur.com/HhdnU84.png)
(https://i.imgur.com/xPoydSZ.png)
image source: https://forum.artixlinux.org/index.php/topic,3050.60.html