diff --git a/packages/composer-playground/src/app/editor/editor-file/editor-file.component.scss b/packages/composer-playground/src/app/editor/editor-file/editor-file.component.scss
index 266e17e9be..74e45cbc7a 100644
--- a/packages/composer-playground/src/app/editor/editor-file/editor-file.component.scss
+++ b/packages/composer-playground/src/app/editor/editor-file/editor-file.component.scss
@@ -54,8 +54,8 @@ editor-file {
 
 .CodeMirror, .CodeMirror-scroll {
   // account for the padding introduced by the '.scrollbar-padding' class
-  min-height: calc(63vh - #{2*$space-medium});
-  max-height: calc(63vh - #{2*$space-medium});
+  min-height: calc(64vh - #{2*$space-medium});
+  max-height: calc(64vh - #{2*$space-medium});
 }
 
 .ps.ps--active-x>.ps__scrollbar-x-rail,
diff --git a/packages/composer-playground/src/assets/styles/base/_codemirror.scss b/packages/composer-playground/src/assets/styles/base/_codemirror.scss
index ee40d4f439..7c36aace4f 100644
--- a/packages/composer-playground/src/assets/styles/base/_codemirror.scss
+++ b/packages/composer-playground/src/assets/styles/base/_codemirror.scss
@@ -27,8 +27,6 @@
   background: #262A35;
   color: #FFFFFF;
   border: none;
-  border-radius: 4px;
-  box-shadow: 0 1px 4px 0 rgba(0,0,0,0.10);
 }
 
 .cm-s-default div.CodeMirror-selected { background: #393F4F; }