Minor correction In UI (#537)

* Update antd.min.css

* Update settings.html

* Update custom.css

web/assets/css/custom.css

@@ -213,6 +213,7 @@ body {
 }
 
 .ant-card-dark-box-nohover{
+    margin-top: .5rem;
     padding: 0 20px 20px !important;
     box-shadow: 0 1px 10px -1px rgb(154 175 238 / 0%) !important;
 }