fix(sdk): remove padding around viewer

Author: Julien

runner/src/main/resources/view/test.css

@@ -179,7 +179,6 @@ button {
 }
 
 .viewer-wrapper {
-    padding: 20px 20px 0px;
     min-width: 500px;
     width: 100%;
     max-width: 945px;