Update app.py

app.py

@@ -113,12 +113,20 @@ css = """
 h1 {
     text-align: center;
     display:block;
-    font-size:3rem;
+    font-size: 3rem;
+    margin: 0;
+    padding: 0;
+    line-height: 1;
+    overflow: hidden;
 }
 p {
     text-align: center;
     display:block;
     font-size:1.5rem;
+    margin: 0;
+    padding: 0;
+    line-height: 1;
+    overflow: hidden;
 }
 #input-image img {
     filter: grayscale(1);