refactor: update styles to use ranui tokens for consistency across CSS files

Author: chaxus

index.html

@@ -210,8 +210,8 @@ <h1 class="reveal d2">
               <r-button id="hero-new-pptx">New PowerPoint</r-button>
             </div>
             <div class="trust reveal d5">
-              <span>0 bytes uploaded</span><span class="sep">·</span><span>no account</span><span class="sep">·</span
-              ><span>works offline</span><span class="sep">·</span><span>.docx .xlsx .pptx .csv</span>
+              <span>0 bytes uploaded</span><span>no account</span><span>works offline</span
+              ><span>.docx .xlsx .pptx .csv</span>
             </div>
           </div>