added css classes

less/qfq-bs.css.less

@@ -1346,6 +1346,14 @@ thead.qfq-sticky td {
   background-color: #1a1a1a;
 }
 
+.qfq-max-width-1280 {
+  max-width: 1280px;
+}
+
+.qfq-max-width-1600 {
+  max-width: 1600px;
+}
+
 @font-face {
   font-family: 'password';
   font-style: normal;