diff --git a/static/global.css b/static/global.css
index b98cef7..87a0293 100644
--- a/static/global.css
+++ b/static/global.css
@@ -76,3 +76,7 @@ button:focus, .button:focus, button:hover, .button:hover {
 	border-color: #666;
 	text-decoration: none;
 }
+
+* {
+    box-sizing: border-box;
+}
\ No newline at end of file