diff --git a/src/webserver/static/style.css b/src/webserver/static/style.css
index c43788a..5e22c33 100644
--- a/src/webserver/static/style.css
+++ b/src/webserver/static/style.css
@@ -8,6 +8,7 @@ body {
 #digit-canvas {
     border: 2px solid #e0e0e0;
     border-radius: 5px;
+    touch-action:none;
 }
 
 #result {
@@ -19,6 +20,12 @@ body {
     body {
         display: inline;
     }
+    button {
+        width: 300px;
+        height: 50px;
+        -webkit-appearance: none;
+        font-size: large;
+    }
     #digit-canvas {
         width: 95vw;
         height: 95vw;