diff --git a/output/.gitkeep b/output/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/output/export_tags.md b/output/export_tags.md
new file mode 100644
index 0000000..9c03e1c
--- /dev/null
+++ b/output/export_tags.md
@@ -0,0 +1 @@
+# Export de Tags GTG du 02/03/2021 à 11:09:59
\ No newline at end of file
diff --git a/public/stylesheets/style.css b/public/stylesheets/style.css
index 3e187fd..e53ab65 100644
--- a/public/stylesheets/style.css
+++ b/public/stylesheets/style.css
@@ -51,7 +51,10 @@ button{
 .text-right{
   text-align: right;
 }
-
+.emphasis{
+  font-weight: 700;
+  background: aquamarine;
+}
 .proportion-over-95{
   background: #b9ffbe;
 }
diff --git a/routes/index.js b/routes/index.js
index 8f8d766..15a3d15 100644
--- a/routes/index.js
+++ b/routes/index.js
@@ -41,6 +41,7 @@ router.get('/', async function (req, res, next) {
   } else {
     console.log('================== calcul de stats désactivé dans index.js ================== ')
   }
+  exportToMarkdown(res)
   console.log('json files read')
   res.render('index', {
     title: "Conversion de GTG tâches",
@@ -69,6 +70,7 @@ function computeData(jsonAllData) {
     tasksCount : jsonAllData.tasks.project.task.length,
     tasksClosed: 0,
     tasksOpen  : 0,
+    maxTasksCountPerTag  : 0,
     listOpen   : [],
     listClosed : [],
   }
@@ -106,7 +108,11 @@ function computeData(jsonAllData) {
             elem.tasksListIsDoneByTitle.push(t.title)
           }
         }
+        if(elem.tasks > jsonAllData.stats.maxTasksCountPerTag){
+          jsonAllData.stats.maxTasksCountPerTag = elem.tasks
+        }
       })
+
     }
     if (t.donedate) {
       jsonAllData.stats.tasksClosed++;
@@ -165,11 +171,25 @@ function computeBgColorOnProportionOfOpenTasks(someProportionNumber) {
     result = 'proportion-over-15'
   }
 
-  console.log('result', someProportionNumber, result)
   return result;
 }
 
-function exportToMarkdown() {
+function exportToMarkdown(res) {
+
+  let datenow = new Date();
+  let dataTagsMd = '# Export de Tags GTG du '+ datenow.toLocaleString();
+  // write file to disk
+  fs.writeFile('output/export_tags.md', dataTagsMd, 'utf8', (err) => {
+
+    if (err) {
+      console.log(`Error writing file: ${err}`);
+      res.send(err)
+    } else {
+      console.log(`File \`output/export_tags.md\` is written successfully!`);
+
+    }
+
+  });
 
 }
 
diff --git a/views/index.jade b/views/index.jade
index 45ecac4..aa721f3 100644
--- a/views/index.jade
+++ b/views/index.jade
@@ -10,6 +10,7 @@ block content
       li #{json.stats.tasksClosed} fermées
   section.tags
     h2 #{json.tags.tagstore.tag.length} Tags
+    p maximum de #{json.stats.maxTasksCountPerTag} tâches pour un tag.
     ul.tags
       li.head
         span.name nom
@@ -21,11 +22,11 @@ block content
         span.tasks actives %
       each t in json.tags.tagstore.tag
         li
-          span.name= t['$'].name
+          span.name(class= {emphasis: t.tasks == json.stats.maxTasksCountPerTag})= t['$'].name
           span.color= t['$'].color
           span.parent= t['$'].parent
           if t.tasksListIsDoneByTitle
-            span.text-right= t.tasks
+            span.text-right(class=computeBgColorOnProportionOfOpenTasks(getPercent(t.tasks, json.stats.maxTasksCountPerTag)))= t.tasks
           if t.tasksListIsDoneByTitle
             span.text-right.tasks= t.tasksListIsDoneByTitle.length
           if t.tasksListIsActiveByTitle