diff --git a/resources/library/interactivities/Ass images.wgt/css/basic.css b/resources/library/interactivities/Ass images.wgt/css/basic.css
index 033ef2d2..51369796 100644
--- a/resources/library/interactivities/Ass images.wgt/css/basic.css	
+++ b/resources/library/interactivities/Ass images.wgt/css/basic.css	
@@ -64,7 +64,7 @@ body{
 .sub_cont{
     width: 100%;
     padding: 0;
-    margin: 20px 0 0 0;
+    margin: 20px 0 5px 0;
     min-height: 60px;
 }
 
@@ -84,7 +84,7 @@ body{
 }
 
 .imgs_answers_gray{
-    
+
 }
 
 .imgs_answers_green{
@@ -114,11 +114,12 @@ body{
     min-height: 40px;
     max-height: 60px;
     float: right;
-    overflow: auto;
+    overflow-x: hidden;
     background-color: #ccc;
     border-top-left-radius: 10px;
     border-bottom-left-radius: 10px;
-    padding-left: 10px;    
+    padding-left: 10px;  
+    word-break: break-all;
 }
 
 .close_cont{
@@ -207,7 +208,7 @@ body{
 }
 
 .dropBack{
-    
+
 }
 
 /* new design */
@@ -417,5 +418,5 @@ body{
 }
 
 .open{
-    
+
 }
\ No newline at end of file
diff --git a/resources/library/interactivities/Ass sons.wgt/css/basic.css b/resources/library/interactivities/Ass sons.wgt/css/basic.css
index b684a1d8..9045c831 100644
--- a/resources/library/interactivities/Ass sons.wgt/css/basic.css	
+++ b/resources/library/interactivities/Ass sons.wgt/css/basic.css	
@@ -218,6 +218,7 @@ body{
     overflow-x: hidden;
     float: right;
     margin-left: 20px;
+    word-break: break-all;
 }
 
 .play, .stop{
diff --git a/resources/library/interactivities/Cat images.wgt/css/basic.css b/resources/library/interactivities/Cat images.wgt/css/basic.css
index 64362b4a..1fd13dc1 100644
--- a/resources/library/interactivities/Cat images.wgt/css/basic.css	
+++ b/resources/library/interactivities/Cat images.wgt/css/basic.css	
@@ -150,16 +150,16 @@ body{
     height: 30px;
     float: right;
     cursor: pointer;
-    background-color: white;
+    background-color: transparent;
     border: none;
 }
 
 .del_category{
-
+    background-image: url(../img/minus.png);
 }
 
 .add_category{
-
+    background-image: url(../img/plus.png);
 }
 
 .cat_desc{
diff --git a/resources/library/interactivities/Cat images.wgt/img/minus.png b/resources/library/interactivities/Cat images.wgt/img/minus.png
new file mode 100644
index 00000000..58da86aa
Binary files /dev/null and b/resources/library/interactivities/Cat images.wgt/img/minus.png differ
diff --git a/resources/library/interactivities/Cat images.wgt/img/plus.png b/resources/library/interactivities/Cat images.wgt/img/plus.png
new file mode 100644
index 00000000..39ff322d
Binary files /dev/null and b/resources/library/interactivities/Cat images.wgt/img/plus.png differ
diff --git a/resources/library/interactivities/Cat images.wgt/js/script.js b/resources/library/interactivities/Cat images.wgt/js/script.js
index 3f239c07..441c3ea1 100644
--- a/resources/library/interactivities/Cat images.wgt/js/script.js	
+++ b/resources/library/interactivities/Cat images.wgt/js/script.js	
@@ -5,7 +5,7 @@ var sankoreLang = {
     second_desc: "Even numbers", 
     enter: "Enter your category name here ...",
     add: "Add new block",
-    wgt_name: "Order images",
+    wgt_name: "Categorize images",
     reload: "Reload",
     slate: "Wood",
     pad: "Pad",
@@ -160,8 +160,8 @@ function start(){
                     
                     $("<div class='close_cont'>").appendTo(container);
                     container.find(".imgs_cont").each(function(){
-                        $("<button class='del_category'>-</button>").appendTo($(this));
-                        $("<button class='add_category'>+</button>").appendTo($(this));
+                        $("<button class='del_category'></button>").appendTo($(this));
+                        $("<button class='add_category'></button>").appendTo($(this));
                         $(this).attr("ondragenter", "return false;")
                         .attr("ondragleave", "$(this).css(\"background-color\",\"#E6F6FF\"); return false;")
                         .attr("ondragover", "$(this).css(\"background-color\",\"#C3E9FF\"); return false;")
@@ -558,8 +558,8 @@ function addCategory(obj){
     $("<input type='hidden' name='count' value=''/>").appendTo(imgs_container); 
     var tmp_div = $("<div style='width: 100%; overflow: hidden;'>").appendTo(imgs_container);
     $("<input type='text' class='cat_desc' value='" + sankoreLang.enter + "'>").appendTo(tmp_div);  
-    $("<button class='del_category'>-</button>").appendTo(imgs_container);
-    $("<button class='add_category'>+</button>").appendTo(imgs_container);
+    $("<button class='del_category'></button>").appendTo(imgs_container);
+    $("<button class='add_category'></button>").appendTo(imgs_container);
     imgs_container.attr("ondragenter", "return false;")
     .attr("ondragleave", "$(this).css(\"background-color\",\"\"); return false;")
     .attr("ondragover", "$(this).css(\"background-color\",\"\"); return false;")
@@ -579,8 +579,8 @@ function addContainer(){
     $("<input type='hidden' name='count' value=''/>").appendTo(imgs_container); 
     var tmp_div = $("<div style='width: 100%; overflow: hidden;'>").appendTo(imgs_container);
     $("<input type='text' class='cat_desc' value='" + sankoreLang.enter + "'/>").appendTo(tmp_div);    
-    $("<button class='del_category'>-</button>").appendTo(imgs_container);
-    $("<button class='add_category'>+</button>").appendTo(imgs_container);
+    $("<button class='del_category'></button>").appendTo(imgs_container);
+    $("<button class='add_category'></button>").appendTo(imgs_container);
     imgs_container.attr("ondragenter", "return false;")
     .attr("ondragleave", "$(this).css(\"background-color\",\"#e6f6ff\"); return false;")
     .attr("ondragover", "$(this).css(\"background-color\",\"#c3e9ff\"); return false;")
@@ -787,7 +787,6 @@ function onDropTarget(obj, event) {
                 }
             }  
         }
-        exportData();
     }
     else {
         alert ("Your browser does not support the dataTransfer object.");
diff --git a/resources/library/interactivities/Cat images.wgt/locales/fr/js/script.js b/resources/library/interactivities/Cat images.wgt/locales/fr/js/script.js
index 0b45e459..4b2ff920 100644
--- a/resources/library/interactivities/Cat images.wgt/locales/fr/js/script.js	
+++ b/resources/library/interactivities/Cat images.wgt/locales/fr/js/script.js	
@@ -158,8 +158,8 @@ function start(){
                     
                     $("<div class='close_cont'>").appendTo(container);
                     container.find(".imgs_cont").each(function(){
-                        $("<button class='del_category'>-</button>").appendTo($(this));
-                        $("<button class='add_category'>+</button>").appendTo($(this));
+                        $("<button class='del_category'></button>").appendTo($(this));
+                        $("<button class='add_category'></button>").appendTo($(this));
                         $(this).attr("ondragenter", "return false;")
                         .attr("ondragleave", "$(this).css(\"background-color\",\"#E6F6FF\"); return false;")
                         .attr("ondragover", "$(this).css(\"background-color\",\"#C3E9FF\"); return false;")
@@ -556,8 +556,8 @@ function addCategory(obj){
     $("<input type='hidden' name='count' value=''/>").appendTo(imgs_container); 
     var tmp_div = $("<div style='width: 100%; overflow: hidden;'>").appendTo(imgs_container);
     $("<input type='text' class='cat_desc' value='" + sankoreLang.enter + "'>").appendTo(tmp_div);  
-    $("<button class='del_category'>-</button>").appendTo(imgs_container);
-    $("<button class='add_category'>+</button>").appendTo(imgs_container);
+    $("<button class='del_category'></button>").appendTo(imgs_container);
+    $("<button class='add_category'></button>").appendTo(imgs_container);
     imgs_container.attr("ondragenter", "return false;")
     .attr("ondragleave", "$(this).css(\"background-color\",\"\"); return false;")
     .attr("ondragover", "$(this).css(\"background-color\",\"\"); return false;")
@@ -577,8 +577,8 @@ function addContainer(){
     $("<input type='hidden' name='count' value=''/>").appendTo(imgs_container); 
     var tmp_div = $("<div style='width: 100%; overflow: hidden;'>").appendTo(imgs_container);
     $("<input type='text' class='cat_desc' value='" + sankoreLang.enter + "'/>").appendTo(tmp_div);    
-    $("<button class='del_category'>-</button>").appendTo(imgs_container);
-    $("<button class='add_category'>+</button>").appendTo(imgs_container);
+    $("<button class='del_category'></button>").appendTo(imgs_container);
+    $("<button class='add_category'></button>").appendTo(imgs_container);
     imgs_container.attr("ondragenter", "return false;")
     .attr("ondragleave", "$(this).css(\"background-color\",\"\"); return false;")
     .attr("ondragover", "$(this).css(\"background-color\",\"\"); return false;")
diff --git a/resources/library/interactivities/Cat images.wgt/locales/ru/js/script.js b/resources/library/interactivities/Cat images.wgt/locales/ru/js/script.js
index c6a2ab6d..367e5630 100644
--- a/resources/library/interactivities/Cat images.wgt/locales/ru/js/script.js	
+++ b/resources/library/interactivities/Cat images.wgt/locales/ru/js/script.js	
@@ -158,8 +158,8 @@ function start(){
                     
                     $("<div class='close_cont'>").appendTo(container);
                     container.find(".imgs_cont").each(function(){
-                        $("<button class='del_category'>-</button>").appendTo($(this));
-                        $("<button class='add_category'>+</button>").appendTo($(this));
+                        $("<button class='del_category'></button>").appendTo($(this));
+                        $("<button class='add_category'></button>").appendTo($(this));
                         $(this).attr("ondragenter", "return false;")
                         .attr("ondragleave", "$(this).css(\"background-color\",\"#E6F6FF\"); return false;")
                         .attr("ondragover", "$(this).css(\"background-color\",\"#C3E9FF\"); return false;")
@@ -559,8 +559,8 @@ function addCategory(obj){
     $("<input type='hidden' name='count' value=''/>").appendTo(imgs_container); 
     var tmp_div = $("<div style='width: 100%; overflow: hidden;'>").appendTo(imgs_container);
     $("<input type='text' class='cat_desc' value='" + sankoreLang.enter + "'>").appendTo(tmp_div);  
-    $("<button class='del_category'>-</button>").appendTo(imgs_container);
-    $("<button class='add_category'>+</button>").appendTo(imgs_container);
+    $("<button class='del_category'></button>").appendTo(imgs_container);
+    $("<button class='add_category'></button>").appendTo(imgs_container);
     imgs_container.attr("ondragenter", "return false;")
     .attr("ondragleave", "$(this).css(\"background-color\",\"\"); return false;")
     .attr("ondragover", "$(this).css(\"background-color\",\"\"); return false;")
@@ -580,8 +580,8 @@ function addContainer(){
     $("<input type='hidden' name='count' value=''/>").appendTo(imgs_container); 
     var tmp_div = $("<div style='width: 100%; overflow: hidden;'>").appendTo(imgs_container);
     $("<input type='text' class='cat_desc' value='" + sankoreLang.enter + "'/>").appendTo(tmp_div);    
-    $("<button class='del_category'>-</button>").appendTo(imgs_container);
-    $("<button class='add_category'>+</button>").appendTo(imgs_container);
+    $("<button class='del_category'></button>").appendTo(imgs_container);
+    $("<button class='add_category'></button>").appendTo(imgs_container);
     imgs_container.attr("ondragenter", "return false;")
     .attr("ondragleave", "$(this).css(\"background-color\",\"\"); return false;")
     .attr("ondragover", "$(this).css(\"background-color\",\"\"); return false;")
diff --git a/resources/library/interactivities/Choisir.wgt/css/basic.css b/resources/library/interactivities/Choisir.wgt/css/basic.css
index a391cfa7..0472e8ce 100644
--- a/resources/library/interactivities/Choisir.wgt/css/basic.css
+++ b/resources/library/interactivities/Choisir.wgt/css/basic.css
@@ -149,12 +149,10 @@ body{
     font-family: Verdana,Arial,Helvetica,sans-serif;
     font-size: small;
     border: 3px solid #ccc;
-    -webkit-border-radius: 5px;
     border-radius: 5px;
-    -moz-box-shadow: #dadada -1px 0 4px;
-    -webkit-box-shadow: #dadada -1px 0 4px;
     box-shadow: #dadada -1px 0 4px;
     color: white;
+    word-break: break-all;
 }
 
 .qstContentDisplay{
@@ -169,6 +167,7 @@ body{
     border: 1px solid #DFDFDE;
     border-top-left-radius: 10px;
     border-bottom-left-radius: 10px;
+    word-break: break-all;
 }
 
 .ansDiv{
@@ -222,12 +221,10 @@ body{
     overflow-x: hidden;
     float: left;
     border: 3px solid #ccc;
-    -webkit-border-radius: 5px;
     border-radius: 5px;
-    -moz-box-shadow: #dadada -1px 0 4px;
-    -webkit-box-shadow: #dadada -1px 0 4px;
     box-shadow: #dadada -1px 0 4px;
     color: white;
+    word-break: break-all;
 }
 
 .ansContentDisplay{
@@ -244,6 +241,7 @@ body{
     border-top-left-radius: 10px;
     border-bottom-left-radius: 10px;   
     color: white;
+    word-break: break-all;
 }
 
 .ansDelete{
diff --git a/resources/library/interactivities/Ordre images.wgt/css/basic.css b/resources/library/interactivities/Ordre images.wgt/css/basic.css
index cc891579..48ab3bb5 100644
--- a/resources/library/interactivities/Ordre images.wgt/css/basic.css	
+++ b/resources/library/interactivities/Ordre images.wgt/css/basic.css	
@@ -60,7 +60,7 @@ body{
 .sub_cont{
     width: 100%;
     padding: 0;
-    margin: 20px 0 0 0;
+    margin: 20px 0 5px 0;
     min-height: 60px;
 }
 
@@ -93,6 +93,7 @@ body{
     border-top-left-radius: 10px;
     border-bottom-left-radius: 10px;
     padding-left: 10px;  
+    word-break: break-all;
 }
 
 .close_cont{
diff --git a/resources/library/interactivities/Ordre lettres.wgt/css/basic.css b/resources/library/interactivities/Ordre lettres.wgt/css/basic.css
index 6830edb2..26583dd9 100644
--- a/resources/library/interactivities/Ordre lettres.wgt/css/basic.css	
+++ b/resources/library/interactivities/Ordre lettres.wgt/css/basic.css	
@@ -172,6 +172,7 @@ body{
     overflow-x: hidden;
     float: right;
     margin-left: 20px;
+    word-break: break-all;
 }
 
 .play, .stop{
@@ -205,16 +206,15 @@ body{
 
 .audio_answer{
     min-height: 50px;
+    min-width: 200px;
+    max-width: 700px;
     margin: 5px 10px;
     padding: 0 10px;
     background-color: white;
-    display: inline-block;
-    position: relative;
     border: 1px solid #ccc;
-    -moz-box-shadow: #ccc -1px 0 4px;
-    -webkit-box-shadow: #ccc -1px 0 4px;
     box-shadow: #ccc -1px 0 4px;
     font-size: 230%;
+    word-wrap: break-word;
 }
 
 /*new design*/
diff --git a/resources/library/interactivities/Selectionner.wgt/css/basic.css b/resources/library/interactivities/Selectionner.wgt/css/basic.css
index 63a3511a..8a5c3d9d 100644
--- a/resources/library/interactivities/Selectionner.wgt/css/basic.css
+++ b/resources/library/interactivities/Selectionner.wgt/css/basic.css
@@ -94,6 +94,7 @@ body{
     border-bottom-left-radius: 10px;
     padding-left: 10px; 
     display: block;
+    word-break: break-all;
 }
 
 .close_cont{
diff --git a/src/domain/UBAbstractWidget.cpp b/src/domain/UBAbstractWidget.cpp
index 9ea88035..8485f76b 100644
--- a/src/domain/UBAbstractWidget.cpp
+++ b/src/domain/UBAbstractWidget.cpp
@@ -172,8 +172,10 @@ bool UBAbstractWidget::hasEmbededFlash()
 
 void UBAbstractWidget::resize(qreal width, qreal height)
 {
-    QWebView::page()->setViewportSize(QSize(width, height));
-    QWebView::setFixedSize(QSize(width, height));
+    qreal w = qMax((qreal)mNominalSize.width(), width);
+    qreal h = qMax((qreal)mNominalSize.height(), height);
+    QWebView::page()->setViewportSize(QSize(w, h));
+    QWebView::setFixedSize(QSize(w, h));
 }
 
 
diff --git a/src/gui/UBDocumentNavigator.cpp b/src/gui/UBDocumentNavigator.cpp
index f4026d11..d2e81572 100644
--- a/src/gui/UBDocumentNavigator.cpp
+++ b/src/gui/UBDocumentNavigator.cpp
@@ -161,6 +161,7 @@ void UBDocumentNavigator::refreshScene()
         int rowIndex = i / mNbColumns;
 		item.Place(rowIndex, columnIndex, mThumbnailWidth, thumbnailHeight);
     }
+    scene()->setSceneRect(scene()->itemsBoundingRect());
 }
 
 /**