diff --git a/src/components/gui/gui.css b/src/components/gui/gui.css
index ebaf67d845cc1893abe6f63fc6fbfebcf04b19dd..989601a57f69feb9d9579b86a2a83c9c3bac6507 100644
--- a/src/components/gui/gui.css
+++ b/src/components/gui/gui.css
@@ -64,8 +64,10 @@
 }
 
 .tab.is-selected {
+    z-index: 1;
     color: #40B9F5;
     background-color: #FFFFFF;
+    border-bottom: white 1px solid;
 }
 
 .tabs {