diff --git a/src/agenda_culturel/static/style.scss b/src/agenda_culturel/static/style.scss
index 4c817ef..7ea7db9 100644
--- a/src/agenda_culturel/static/style.scss
+++ b/src/agenda_culturel/static/style.scss
@@ -106,6 +106,9 @@ details {
 }
 details summary[role="button"]  {
     color: var(--primary-inverse);
+    [role="button"] {
+        margin: -0.2em 0;
+    }
 }
 
 details[role="list"] summary + ul li.selected>a{
@@ -118,6 +121,36 @@ details[role="list"] summary + ul li.selected>a:hover {
     color: var(--primary-inverse);
 }
 
+
+@media (min-width: 992px) {
+    #filters .categories {
+        width: 75%;
+        float: left;
+    }
+    #filters details {
+        width: 25%;
+        float: right;
+        summary {
+            padding: 0.2em 0.4em;
+        }
+    }
+    
+}
+
+#filters details[open=""] {
+    width: 100%;
+    transition: width 0.1s ease-in-out;
+    display: block;
+    summary {
+        padding: var(--form-element-spacing-vertical) var(--form-element-spacing-horizontal);
+        margin-top: 0.5em;
+    }
+}
+
+#filters .clear {
+    clear: both;
+}
+
 #main-nav {
     box-shadow: 0 1px 0 rgba(115, 130, 140, 0.2);
 }
@@ -136,6 +169,14 @@ span.small-cat {
     cursor: default;
 }
 
+.simple-button {
+    @extend .small-cat;
+    border-radius: 1em;
+    font-size: 80%;
+    margin-left: .5em;
+    padding: .1em .5em;
+}
+
 svg {
     vertical-align: -0.125em;
 }
diff --git a/src/agenda_culturel/templates/agenda_culturel/filter-inc.html b/src/agenda_culturel/templates/agenda_culturel/filter-inc.html
index 2b7d162..34a33de 100644
--- a/src/agenda_culturel/templates/agenda_culturel/filter-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/filter-inc.html
@@ -2,38 +2,45 @@
 {% load tag_extra %}
 {% load utils_extra %}
 
+
 <article id="filters">
+    <div>
+    <div class="categories">
+        {% show_legend filter=filter %}
+    </div>
+
     <details>
-<summary role="button" class="outline secondary">
-    {% if filter.is_active %}
-        Filtre&nbsp;: 
-        {% for c in filter.get_categories %}
-            {{ c | small_cat }}
-        {% endfor %}
-        {% for t in filter.get_tags %}
-            {{ t | tag_button }}
-        {% endfor %}
-        {% for t in filter.get_exclude_tags %}
-            {{ t | tag_button_strike }}
-        {% endfor %}
-        {% for s in filter.get_status_names %}
-            {{ s }}
-        {% endfor %}
-        {% for c in filter.get_cities %}
-            {{ c }}
-        {% endfor %}
-        {{ filter.get_recurrence_filtering }}
-    {% else %}
-        Filtrer
-    {% endif %}
-</summary>
-<form method="get" class="form django-form main-filter">
-                {{ filter.form.as_p }}<br />
-                <button type="submit">Appliquer le filtre</button>
-</form>
-</details>
-{% if filter.is_resetable %}
-<a href="{{ filter.get_url_without_filters }}" role="button">{% picto_from_name "x-circle" %} Supprimer le filtre</a>
-{% endif %}
+    <summary role="button" class="outline secondary">
+        {% if filter.is_active %}
+            Autres filtres&nbsp;: 
+            {% for t in filter.get_tags %}
+                {{ t | tag_button }}
+            {% endfor %}
+            {% for t in filter.get_exclude_tags %}
+                {{ t | tag_button_strike }}
+            {% endfor %}
+            {% for s in filter.get_status_names %}
+                {{ s }}
+            {% endfor %}
+            {% for c in filter.get_cities %}
+                {{ c }}
+            {% endfor %}
+            {{ filter.get_recurrence_filtering }}
+        {% else %}
+            Autres filtres
+        {% endif %}
+
+        {% if filter.is_resetable %}
+        <a class="secondary" href="{{ filter.get_url_without_filters_only_cats }}" data-tooltip="Supprimer les filtres">{% picto_from_name "x-circle" %}</a>
+        {% endif %}
+        
+    </summary>
+    <form method="get" class="form django-form main-filter">
+        {{ filter.form.as_p }}
+        <button type="submit">Appliquer le filtre</button>
+    </form>
+    </details>
+    <div class="clear"></div>
+    </div>
 
 </article>
diff --git a/src/agenda_culturel/templates/agenda_culturel/page-day.html b/src/agenda_culturel/templates/agenda_culturel/page-day.html
index 341b1f6..23c2dfc 100644
--- a/src/agenda_culturel/templates/agenda_culturel/page-day.html
+++ b/src/agenda_culturel/templates/agenda_culturel/page-day.html
@@ -22,12 +22,13 @@
 
 
  {% block content %}
-
+ 
  {% get_current_language as LANGUAGE_CODE %}
  {% with cache_timeout=user.is_authenticated|yesno:"30,600" %}
  {% cache cache_timeout day user.is_authenticated day filter.to_str LANGUAGE_CODE %}
 
- 
+
+
  {% include "agenda_culturel/filter-inc.html" with filter=filter %}
 
 
@@ -89,10 +90,10 @@
                     <nav>
                         <ul>
                         {% for category in categories %}
-                        {% with category.0.name as idcat %}
+                        {% with category.0.pk|stringformat:"i" as idcat %}
                             {% with filter.get_url_without_filters|add:"?category="|add:idcat as cat_url %}
                                 <li>
-                                    <a class="small-cat contrast selected" role="button" href="{{ cat_url }}"><span class="cat {{ category.0.css_class }}"></span>{{ idcat }}&nbsp;: {{ category.1 }}</a>
+                                    <a class="small-cat contrast selected" role="button" href="{{ cat_url }}"><span class="cat {{ category.0.css_class }}"></span>{{ category.0.name }}&nbsp;: {{ category.1 }}</a>
                                 </li>
                             {% endwith %}
                         {% endwith %}
diff --git a/src/agenda_culturel/templates/agenda_culturel/page-month.html b/src/agenda_culturel/templates/agenda_culturel/page-month.html
index 715a707..06c9f9d 100644
--- a/src/agenda_culturel/templates/agenda_culturel/page-month.html
+++ b/src/agenda_culturel/templates/agenda_culturel/page-month.html
@@ -66,9 +66,6 @@
         </div>
         <div class="slider-button button-right hidden">{% picto_from_name "arrow-right" %}</div>
     </div>
-    <div>
-        Légende&nbsp;: {% show_legend filter=filter %}
-    </div>
 
 
     <footer>
diff --git a/src/agenda_culturel/templates/agenda_culturel/page-week.html b/src/agenda_culturel/templates/agenda_culturel/page-week.html
index a0227ad..c8ed2c2 100644
--- a/src/agenda_culturel/templates/agenda_culturel/page-week.html
+++ b/src/agenda_culturel/templates/agenda_culturel/page-week.html
@@ -63,10 +63,6 @@
         </div>
         <div class="slider-button button-right hidden">{% picto_from_name "arrow-right" %}</div>
     </div>
-    <div>
-        Légende&nbsp;: {% show_legend filter=filter %}
-    </div>
-
 
     <footer>
 
diff --git a/src/agenda_culturel/templatetags/cat_extra.py b/src/agenda_culturel/templatetags/cat_extra.py
index 766ed1e..6fef4b5 100644
--- a/src/agenda_culturel/templatetags/cat_extra.py
+++ b/src/agenda_culturel/templatetags/cat_extra.py
@@ -211,9 +211,10 @@ def circle_cat(category, recurrence=False):
         )
 
 
+
 @register.simple_tag
 def show_legend(filter):
-    current_url = filter.get_url_without_filters()
+    filter.form.full_clean()
     cats = Category.objects.all()
     if filter.is_active(only_categories=True):
         return mark_safe("<div>" +
@@ -221,18 +222,18 @@ def show_legend(filter):
                 [
                     small_cat(
                         c,
-                        current_url + "?category=" + str(c.pk)
+                        filter.get_url_add_categories([c.pk])
                         if not filter.is_selected(c)
-                        else None,
+                        else filter.get_url_remove_categories([c.pk]),
                         contrast=filter.is_selected(c),
                     )
                     for c in cats
                 ]
-            ) + "</div>"
+            ) + ' <a class="simple-button secondary" data-tooltip="Toutes les catégories" href="' + filter.get_url_without_filters() + '" role="button">' + picto_from_name('x-circle') + ' toutes</a></div>'
         )
     else:
         return mark_safe("<div>" +
             " ".join(
-                [small_cat(c, current_url + "?category=" + str(c.pk)) for c in cats]
+                [small_cat(c, filter.get_url_add_categories([c.pk])) for c in cats]
             ) + "</div>"
         )
diff --git a/src/agenda_culturel/views.py b/src/agenda_culturel/views.py
index c15b299..e140593 100644
--- a/src/agenda_culturel/views.py
+++ b/src/agenda_culturel/views.py
@@ -31,6 +31,7 @@ from .forms import (
     CategorisationForm,
     EventAddPlaceForm,
     PlaceForm,
+    MultipleHiddenInput
 )
 
 from .models import (
@@ -195,7 +196,7 @@ class EventFilter(django_filters.FilterSet):
         field_name="category__id",
         to_field_name="id",
         queryset=Category.objects.all(),
-        widget=CategoryCheckboxSelectMultiple,
+        widget=MultipleHiddenInput,
     )
 
     city = django_filters.MultipleChoiceFilter(
@@ -230,11 +231,47 @@ class EventFilter(django_filters.FilterSet):
         if isinstance(self.form.data, QueryDict):
             return self.form.data.urlencode()
         else:
-            print(self.form.data)
             return ""
 
-    def get_url_without_filters(self):
-        return self.request.get_full_path().split("?")[0]
+    def get_full_url(self):
+        return self.request.get_full_path()
+
+    def get_url_remove_categories(self, catpks, full_path = None):
+        if full_path is None:
+            full_path = self.request.get_full_path()
+
+        result = full_path
+        for catpk in catpks:
+            result = result.replace('category=' + str(catpk), '')
+            result = result.replace('?&', '?')
+            result = result.replace('&&', '&')
+        return result
+
+    def get_url_add_categories(self, catpks, full_path = None):
+        if full_path is None:
+            full_path = self.request.get_full_path()
+
+        result = full_path
+        for catpk in catpks:
+            result = result + ('&' if '?' in full_path else '?') + 'category=' + str(catpk)
+        return result
+
+    def get_url_without_filters_only_cats(self):
+        return self.get_url_without_filters(True)
+
+
+    def get_url_without_filters(self, only_categories=False):
+
+        if only_categories:
+            # on repart d'une url sans option
+            result = self.request.get_full_path().split("?")[0]
+            # on ajoute toutes les catégories
+            result = self.get_url_add_categories([c.pk for c in self.get_categories()], result)
+        else:
+            # on supprime toutes les catégories
+            result = self.get_url_remove_categories([c.pk for c in self.get_categories()])
+
+        return result
 
 
     def get_cleaned_data(self, name):
@@ -249,7 +286,7 @@ class EventFilter(django_filters.FilterSet):
         return self.get_cleaned_data("category")
 
     def get_tags(self):
-        return self.get_cleaned_data("cleaned_data")
+        return self.get_cleaned_data("tags")
 
     def get_exclude_tags(self):
         return self.get_cleaned_data("exclude_tags")
@@ -303,8 +340,7 @@ class EventFilter(django_filters.FilterSet):
                 ):
                     return True
             return (
-                len(self.get_cleaned_data("category")) != 0
-                or len(self.get_cleaned_data("tags")) != 0
+                len(self.get_cleaned_data("tags")) != 0
                 or len(self.get_cleaned_data("exclude_tags")) != 0
                 or len(self.get_cleaned_data("recurrences")) != 0
                 or len(self.get_cleaned_data("city")) != 0
@@ -319,8 +355,7 @@ class EventFilter(django_filters.FilterSet):
             ):
                 return True
             return (
-                len(self.get_cleaned_data("category")) != 0
-                or len(self.get_cleaned_data("tags")) != 0
+                len(self.get_cleaned_data("tags")) != 0
                 or len(self.get_cleaned_data("exclude_tags")) != 0
                 or len(self.get_cleaned_data("recurrences")) != 0
                 or len(self.get_cleaned_data("city")) != 0
@@ -371,7 +406,8 @@ def month_view(request, year=None, month=None):
     if month is None:
         month = now.month
 
-    filter = EventFilter(request.GET, queryset=get_event_qs(request), request=request)
+    request = EventFilter.set_default_values(request)
+    filter = EventFilter(request.GET, get_event_qs(request), request=request)
     cmonth = CalendarMonth(year, month, filter)
 
     context = {
@@ -392,7 +428,7 @@ def week_view(request, year=None, week=None, home=False):
 
 
     request = EventFilter.set_default_values(request)
-    filter = EventFilter(request.GET, queryset=get_event_qs(request), request=request)
+    filter = EventFilter(request.GET, get_event_qs(request), request=request)
     cweek = CalendarWeek(year, week, filter)
 
     context = {"year": year, "week": week, "calendar": cweek, "filter": filter}