diff --git a/rsconcept/frontend/src/styling/setup.css b/rsconcept/frontend/src/styling/setup.css
index 58c57c8a..2e1a1244 100644
--- a/rsconcept/frontend/src/styling/setup.css
+++ b/rsconcept/frontend/src/styling/setup.css
@@ -8,6 +8,16 @@
 @tailwind components;
 @tailwind utilities;
 
+*,
+*::after,
+*::before {
+  box-sizing: border-box;
+
+  /* Uncomment to debug layering and overflow */
+  /* background: hsla(135, 50%, 50%, 0.05); */
+  /* outline: 2px solid hotpink; */
+}
+
 html {
   -webkit-text-size-adjust: none;
   -moz-text-size-adjust: none;
@@ -42,6 +52,8 @@ body {
 }
 
 :root {
+  interpolate-size: allow-keywords;
+
   font-size: var(--font-size-base);
   line-height: var(--line-height);
   font-family: var(--font-main);