Hide multi item selection text on mobile screens

Signed-off-by: Roberto Rosario <roberto.rosario@mayan-edms.com>

HISTORY.rst

@@ -4,6 +4,7 @@
 - Add preparestatic command to documentation. GitLab issue #692.
   Thanks to Christopher S. Meiklejohn (@cmeiklejohn2) for the report.
 - Fix username color on mobile screens.
+- Hide the multi item selection help text on mobile screens.
 
 3.3 (2019-12-03)
 ================

mayan/apps/appearance/static/appearance/css/base.css

@@ -476,6 +476,10 @@ a i {
     color: white;
 }
 
+#multi-item-title-responsible-wrapper {
+    display: none;
+}
+
 @media (min-width: 768px) {
     #menu-main {
         display: block;
@@ -495,6 +499,10 @@ a i {
 
     }
 
+    #multi-item-title-responsible-wrapper {
+        display: block;
+    }
+
     .navbar-brand {
         text-align: center;
         width: 210px;

mayan/apps/appearance/templates/appearance/list_toolbar.html

@@ -54,7 +54,9 @@
     {% endif %}
 
     {% if links_multi_menus_results %}
-        <p class="pull-right" id="multi-item-title" style="line-height: 16px; padding-top: 8px;">{% trans 'Select items to activate bulk actions. Use Shift + click to select many.' %}</p>
+        <div id="multi-item-title-responsible-wrapper">
+            <p class="pull-right" id="multi-item-title" style="line-height: 16px; padding-top: 8px;">{% trans 'Select items to activate bulk actions. Use Shift + click to select many.' %}</p>
+        </div>
 
         <div class="pull-right btn-group" id="multi-item-actions" style="display: none;">
             <button aria-expanded="true" class="btn btn-danger btn-sm dropdown-toggle" data-toggle="dropdown" type="button">