diff --git a/ConfJuvApp/www/html/_right_sidebar.html b/ConfJuvApp/www/html/_right_sidebar.html
index 37bda46..ff81f78 100644
--- a/ConfJuvApp/www/html/_right_sidebar.html
+++ b/ConfJuvApp/www/html/_right_sidebar.html
@@ -2,7 +2,7 @@
   <ion-content>
     <h2>
       <span>Pesquisa</span>
-      <button menu-toggle="right" class="button button-icon icon ion-close-circled"></button>
+      <button menu-toggle="right" class="button button-icon icon ion-close-circled" hide-when="large"></button>
     </h2>
     <h3>Filtrar propostas por tema</h2>
     <label ng-repeat="topic in topics">
diff --git a/ConfJuvApp/www/js/app.js b/ConfJuvApp/www/js/app.js
index 7c55526..34a3d56 100644
--- a/ConfJuvApp/www/js/app.js
+++ b/ConfJuvApp/www/js/app.js
@@ -16,3 +16,33 @@ angular.module('confjuvapp', ['ionic', 'confjuvapp.controllers', 'confjuvapp.fil
     }
   });
 })
+
+.directive('hideWhen', ['$window', function($window) {
+  return {
+    restrict: 'A',
+    link: function($scope, $element, $attr) {
+      function checkExpose() {
+        var mq = $attr.hideWhen == 'large' ? '(min-width:768px)' : $attr.hideWhen;
+        if ($window.matchMedia(mq).matches) {
+          $element.addClass('ng-hide');
+        }
+        else {
+          $element.removeClass('ng-hide');   
+        }
+      }
+      function onResize() {
+        debouncedCheck();
+      }
+      var debouncedCheck = ionic.debounce(function() {
+        $scope.$apply(function() {
+          checkExpose();
+        });
+      }, 300, false);
+      checkExpose();
+      ionic.on('resize', onResize, $window);
+      $scope.$on('$destroy', function(){
+        ionic.off('resize', onResize, $window);
+      });
+    }
+  };
+}]);
--
libgit2 0.21.2