diff --git a/teavm-samples/teavm-samples-scala/.gitignore b/teavm-samples/teavm-samples-scala/.gitignore
index 8bd3a0588..4ee0de943 100644
--- a/teavm-samples/teavm-samples-scala/.gitignore
+++ b/teavm-samples/teavm-samples-scala/.gitignore
@@ -2,3 +2,4 @@
 /.settings/
 /.classpath
 /.project
+/.cache-main
diff --git a/teavm-samples/teavm-samples-scala/src/main/webapp/calculator.css b/teavm-samples/teavm-samples-scala/src/main/webapp/calculator.css
index ad81f5df0..7ec7810fb 100644
--- a/teavm-samples/teavm-samples-scala/src/main/webapp/calculator.css
+++ b/teavm-samples/teavm-samples-scala/src/main/webapp/calculator.css
@@ -3,14 +3,15 @@ html, body {
   padding: 0
 }
 .top {
-  position: static;
+  position: fixed;
   padding-top: 10px;
   padding-left: 10px;
   padding-right: 10px;
   top: 0;
   left: 0;
   right: 0;
-  height: 80px;
+  height: 90px;
+  box-sizing: border-box;
   border-bottom-color: rgb(120,120,120);
   border-bottom-width: 1px;
   border-bottom-style: solid;
@@ -28,8 +29,8 @@ html, body {
   width: 70px;
 }
 .result-list {
-  position: static;
-  top: 81;
+  position: fixed;
+  top: 91px;
   left: 0;
   right: 0;
   bottom: 0;