diff --git a/src/gui/html/index.html b/src/gui/html/index.html
index 5b7434c6..0c950355 100644
--- a/src/gui/html/index.html
+++ b/src/gui/html/index.html
@@ -137,6 +137,9 @@
 
       --paper-tabs-selection-bar-color: var(--loot-accent-color);
       --paper-tab-ink: var(--loot-accent-color);
+      --paper-tab-content: {
+        text-transform: uppercase;
+      }
 
       /* Prevents pop-in for the toggle button when a dropdown containing it is
          opened. */