diff --git a/src/iqb-theme1.scss b/src/iqb-theme1.scss
index ebd12dfd3e46df9d67692d9d218337110df82944..e9cd27fc001f15ce499dac3c3bf7e7ce81f922ec 100644
--- a/src/iqb-theme1.scss
+++ b/src/iqb-theme1.scss
@@ -15,3 +15,7 @@ body {
   background: #003333;
   // background-color: #B0BEC5;
 }
+
+.mat-tooltip {
+  font-size: 100%
+}