Everything is ok here with the same version of Firefox.
fastfetch --logo none
jp@jp-artix-Acer
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OS: Artix Linux x86_64
Host: Aspire ES1-732 (V1.18)
Kernel: Linux 6.12.26-1-lts
Uptime: 14 mins
Packages: 1291 (pacman)
Shell: bash 5.2.37
Display (CMN1734): 1600x900 @ 60 Hz in 17" [Built-in]
DE: Xfce4 4.20
WM: Xfwm4 (X11)
WM Theme: Daloa
Theme: Artix-dark [GTK2/3/4]
Icons: breeze-dark [GTK2/3/4]
Font: Sans (11pt) [GTK2/3/4]
Cursor: Adwaita
Terminal: xfce4-terminal 1.1.5
Terminal Font: Monospace (14pt)
CPU: Intel(R) Pentium(R) N4200 (4) @ 2.50 GHz
GPU: Intel HD Graphics 505 @ 0.75 GHz [Integrated]
Memory: 1.69 GiB / 3.65 GiB (46%)
Swap: 0 B / 19.91 GiB (0%)
Disk (/): 14.61 GiB / 19.06 GiB (77%) - ext4
Disk (/media/77): 714.23 GiB / 873.04 GiB (82%) - ext4
Local IP (eth0): 192.168.1.10/24
Locale: fr_FR.UTF-8