fix margin on OO export format alert

customize.dist/src/less2/include/alertify.less

@@ -439,6 +439,9 @@
         i {
             margin-right: 10px;
         }
+        &.cp-alert-top{
+            margin-top: @alertify_padding-base;
+        }
         &.alert-primary {
             background-color: @alertify-base;
             color: @alertify-fg;

www/common/onlyoffice/inner.js

@@ -963,7 +963,7 @@ define([
 
             if (typeof(Atomics) === "undefined") {
                 ext = ['.bin'];
-                warning = '<div class="alert alert-info">'+Messages.oo_exportChrome+'</div>';
+                warning = '<div class="alert alert-info cp-alert-top">'+Messages.oo_exportChrome+'</div>';
             }
 
             var types = ext.map(function (val) {