Update _component-sample.scss

Author: janfaracik

src/main/resources/scss/components/_component-sample.scss

@@ -30,7 +30,7 @@
 
   /* Component preview styling */
 
-  & > .jenkins-section {
+  & > form > div > .jenkins-section {
     border-top: none;
     padding-top: 0;
   }