Fix margin on PR form (go-gitea#11566)

CirnoT · web-flow · commit f2a0be1683da · 2020-05-25T11:04:02.000+01:00
diff --git a/web_src/less/_repository.less b/web_src/less/_repository.less
@@ -1319,6 +1319,10 @@
             }
         }
 
+        .pullrequest-form {
+            margin-bottom: 1.5rem;
+        }
+
         .markdown {
             font-size: 14px;
         }
