Fixed formatting of placeholder test

templates/parts.html

@@ -24,6 +24,11 @@ table.sortable tbody tr:nth-child(2n+1) td {
   background: #ecf0f1;
 }
 
+.my-input::placeholder {
+        color: var(--bulma-grey-dark);
+    }
+
+
 .name-class {
   max-width: 300px; 
   overflow: hidden;