Design completed with translations.

public/de.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="1000" height="600" viewBox="0 0 5 3"><path d="M0 0h5v3H0z"/><path fill="#D00" d="M0 1h5v2H0z"/><path fill="#FFCE00" d="M0 2h5v1H0z"/></svg>

public/favicon-simple.svg

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+<?xml version="1.0" encoding="UTF-8"?>
+<svg id="Layer_1" xmlns="http://www.w3.org/2000/svg" version="1.1" viewBox="0 0 160 160">
+  <!-- Generator: Adobe Illustrator 30.1.0, SVG Export Plug-In . SVG Version: 2.1.1 Build 136)  -->
+  <defs>
+    <style>
+      .st0 {
+        fill: #fff;
+      }
+    </style>
+  </defs>
+  <polygon class="st0" points="114.6 80 143.3 63.4 143.3 43.4 143.3 43.4 126 33.4 97.3 50 97.3 16.8 80 6.9 62.7 16.8 62.7 50 34 33.4 16.7 43.4 16.7 43.4 16.7 63.4 45.4 80 16.7 96.6 16.7 116.6 34 126.6 62.7 109.9 62.7 143.2 80 153.1 97.3 143.2 97.3 109.9 126 126.6 143.3 116.6 143.3 96.6 114.6 80"/>
+</svg>

public/gb.svg

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+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30" width="1200" height="600"><clipPath id="a"><path d="M0 0v30h60V0z"/></clipPath><clipPath id="b"><path d="M30 15h30v15zv15H0zH0V0zV0h30z"/></clipPath><g clip-path="url(#a)"><path d="M0 0v30h60V0z" fill="#012169"/><path d="m0 0 60 30m0-30L0 30" stroke="#fff" stroke-width="6"/><path d="m0 0 60 30m0-30L0 30" clip-path="url(#b)" stroke="#C8102E" stroke-width="4"/><path d="M30 0v30M0 15h60" stroke="#fff" stroke-width="10"/><path d="M30 0v30M0 15h60" stroke="#C8102E" stroke-width="6"/></g></svg>

public/se.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="1600" height="1000" viewBox="0 0 8 5"><path fill="#005293" d="M0 0h8v5H0Z"/><path stroke="#fecb00" d="M0 2.5h8M3 0v5"/></svg>