Fixes for Mobile Responsive layout - updated Styles.less to remove...

Fixes for Mobile Responsive layout - updated Styles.less to remove borderbottom for nav-tabs and also include missing styles from vtiger/master.

layouts/v7/skins/vtiger/style.less

@@ -8472,6 +8472,12 @@ input:focus:-ms-input-placeholder { color:transparent; } /* IE 10+ */
 .moduleIcon .custom-module {
 	font-weight: bold;
 }
+.navbar-fixed-top {
+    z-index: 1095 !important;
+}
+body .fc {
+    overflow:auto;
+}
 .margin0 {
     margin : 0
 }
@@ -8487,6 +8493,9 @@ input:focus:-ms-input-placeholder { color:transparent; } /* IE 10+ */
 .bg-white {
     background: #FFFFFF;
 }
+.nav-tabs {
+    border-bottom: 0;
+}
 @media all and (min-width:0px) and (max-width: 600px) {
     //Responsive Table
     table.summary-table>tbody>tr>td,