fix css

Author: mathieuales

src/less/swagger-ui.less

@@ -207,6 +207,10 @@
                 word-break: break-word;
                 white-space: normal;
 
+                .model-item{
+                    margin-bottom: 5px;
+                }
+
                 .type{
                     color: #5555aa;
                 }
@@ -218,7 +222,7 @@
 
             .parameters{
 
-                pre.model-schema{
+                .model-schema pre{
 
                     cursor: pointer;