Bad alignement and colors on luci-app-3ginfo-lite

[stich86]

Describe the bug

I'm using luci-app-3ginfo-lite and there are two problem using Argon theme

First one is that in dark-mode, the signal bars are not colored like normal:

Light:

Dark:

And this is the bad alignment of ifacebox-body:

This is how it looks on OpenWrt-2020 theme:

Openwrt (please complete the following information):

• Versiosn: 23.05-SNAPSHOT
• Theme: Argon
• Version: 2.3.1

Desktop (please complete the following information):

• OS:macOS/Windows
• Browser: Chrome and Firefox

Smartphone (please complete the following information):

• Device: iPhone 15 Pro Max
• OS: iOS 17.4.1
• Browser: Safari