erp5_travel_expense: Fix / Update CSS

bt5/erp5_travel_expense/PathTemplateItem/web_page_module/gadget_hr_style_css.css

 @media only screen and (max-width: 45em){
-  html div.ui-content {
+  html div.gadget-content {
     padding: 1.3em 0.1em 0.1em 0.1em;
   }
 }
 
 @media (max-width: 62em) {
-  html .ui-content .custom-grid thead {
+  html .gadget-content .custom-grid thead {
     display: none;
   }
 }

bt5/erp5_travel_expense/PathTemplateItem/web_page_module/gadget_hr_style_css.xml

@@ -242,7 +242,7 @@
             </item>
             <item>
                 <key> <string>serial</string> </key>
-                <value> <string>956.40470.10715.34833</string> </value>
+                <value> <string>956.46088.59015.55244</string> </value>
             </item>
             <item>
                 <key> <string>state</string> </key>
@@ -260,7 +260,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1484328377.71</float>
+                        <float>1484739474.04</float>
                         <string>UTC</string>
                       </tuple>
                     </state>