added article margin

Author: Alex Jamshidi

Wireframe/style.css

@@ -85,6 +85,7 @@ Keeping things orderly and separate is the key to good, simple CSS.
 article {
   border: var(--line);
   padding-bottom: var(--space);
+  margin: var(--space);
   text-align: left;
   display: grid;
   grid-template-columns: var(--space) 1fr var(--space);