styling corpus example components in main view

res/main.less

@@ -238,6 +238,18 @@
         border: 1px @gray solid;
       }
     }
+
+    .comp-text {
+      margin-left: 0.5ch; // half width of '0'
+    }
+
+    .comp-role {
+      color: @red;
+    }
+
+    .comp-role-headword {
+      font-weight: bold;
+    }
   }
 }