[#4183] Bold the labels on the contract details so the fields are easier to see.

assets/stylesheets/redmine_contracts.css

@@ -27,3 +27,5 @@ a.contract-delete {color: red; }
 #deliverables td.labor, #deliverables td.overhead, #deliverables td.fixed { text-align: center; }
 #deliverables td.labor div, #deliverables td.overhead div, #deliverables td.fixed div { text-align: right; display: inline; padding: 0 5px; width: 50%; }
 .spent, .budget { text-align: right; padding: 0 5px; }
+
+span.contract-details-label { font-weight: bold; }