diff --git a/app/comp/moy_ue.py b/app/comp/moy_ue.py
index 6a0ca770..dca7b6fb 100644
--- a/app/comp/moy_ue.py
+++ b/app/comp/moy_ue.py
@@ -39,9 +39,13 @@ def df_load_ue_coefs(formation_id: int, semestre_idx: int) -> pd.DataFrame:
     rows = UEs, columns = modules, value = coef.
     On considère toutes les UE et modules du semestre.
     Unspecified coefs (not defined in db) are set to zero.
+    Si semestre_idx None, prend toutes les UE de la formation.
     """
     ues = models.UniteEns.query.filter_by(formation_id=formation_id)
     modules = models.Module.query.filter_by(formation_id=formation_id)
+    if semestre_idx is not None:
+        ues = ues.filter_by(semestre_idx=semestre_idx)
+        modules = modules.filter_by(semestre_id=semestre_idx)
     ue_ids = [ue.id for ue in ues]
     module_ids = [module.id for module in modules]
     df = pd.DataFrame(columns=module_ids, index=ue_ids, dtype=float)
@@ -52,4 +56,4 @@ def df_load_ue_coefs(formation_id: int, semestre_idx: int) -> pd.DataFrame:
     ):
         df[mod_coef.module_id][mod_coef.ue_id] = mod_coef.coef
     df.fillna(value=0, inplace=True)
-    return df
+    return df, ues, modules
diff --git a/app/static/css/table_editor.css b/app/static/css/table_editor.css
index 40f8738f..5cd8c068 100644
--- a/app/static/css/table_editor.css
+++ b/app/static/css/table_editor.css
@@ -1,12 +1,15 @@
 /* table_editor, par Sébastien L.
  */
-
+form.semestre_selector {
+    margin-top: 2ex;
+}
 /***************************/
 /* Le tableau              */
 /***************************/
 .tableau{
     display: grid;
     grid-auto-rows: minmax(24px, auto);
+    grid-template-columns: fit-content(50px);
     gap: 2px;
     margin-top: 5px;
     background: #fffefa;
@@ -27,7 +30,28 @@
 [data-editable="true"]{
     cursor: pointer;
 }
-
+/*****************/
+/* Styles ScoDoc */
+/*****************/
+div.title_ue {
+    background-color: #b7d2fa;
+}
+.tableau>div.title_mod {
+    
+}
+div.title_RESSOURCE {
+    background-color: #f8c844;
+}
+div.title_SAE {
+    background-color: #c6ffab;
+}
+div.title_STANDARD, .champs_STANDARD {
+    background-color: #fefefe;
+    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='32' viewBox='0 0 16 32'%3E%3Cg fill='%239C92AC' fill-opacity='0.21'%3E%3Cpath fill-rule='evenodd' d='M0 24h4v2H0v-2zm0 4h6v2H0v-2zm0-8h2v2H0v-2zM0 0h4v2H0V0zm0 4h2v2H0V4zm16 20h-6v2h6v-2zm0 4H8v2h8v-2zm0-8h-4v2h4v-2zm0-20h-6v2h6V0zm0 4h-4v2h4V4zm-2 12h2v2h-2v-2zm0-8h2v2h-2V8zM2 8h10v2H2V8zm0 8h10v2H2v-2zm-2-4h14v2H0v-2zm4-8h6v2H4V4zm0 16h6v2H4v-2zM6 0h2v2H6V0zm0 24h2v2H6v-2z'/%3E%3C/g%3E%3C/svg%3E");
+}
+div.title_MALUS {
+    background-color: #ff4700;
+}
 /***************************/
 /* Statut des cellules     */
 /***************************/
diff --git a/app/templates/pn/form_modules_ue_coefs.html b/app/templates/pn/form_modules_ue_coefs.html
index 01df62af..c94fe60c 100644
--- a/app/templates/pn/form_modules_ue_coefs.html
+++ b/app/templates/pn/form_modules_ue_coefs.html
@@ -1,8 +1,14 @@
-<form>Semestre:
+<h2>Édition des coefficients des modules vers les UEs</h2>
+<div class="help">
+    Double-cliquer pour changer une valeur.
+    Les valeurs sont automatiquement enregistrées au fur et à mesure.
+</div>
+<form class="semestre_selector">Semestre:
     <select onchange="this.form.submit()"" name="semestre_idx" id="semestre_idx">
         {% for i in semestre_ids %}
         <option value="{{i}}" {%if semestre_idx==i%}selected{%endif%}>{{i}}</option>
         {% endfor %}
+        <option value="" {%if semestre_idx is none%}selected{%endif%}>tous</option>
     </select>
     <input type="hidden" name="formation_id" value="{{formation.id}}"></input>
     <span><a class="stdlink" href="{{ 
@@ -13,24 +19,12 @@
 
 <div class="tableau"></div>
 
-<div class="help">
-    Édition des coefficients des modules veers les UE du semestre courant.
-    Double-cliquer pour changer une valeur.
-    Les valeurs sont automatiquement enregistrées au fur et à mesure.
-</div>
-
 <script>
     $(function () {
-        let semestre_idx = $("#semestre_idx")[0].value;
-        if (semestre_idx >= 0) {
-            let base_url = "{{data_source}}";
-            let data_url = base_url.replace(/\/[\-0-9]*$/, "/" + semestre_idx);
-            console.log("data_url=", data_url);
-            $.getJSON(data_url, function (data) {
-                console.log("build_table")
-                build_table(data);
-            });
-        }
+        let data_url = "{{data_source}}";
+        $.getJSON(data_url, function (data) {
+            build_table(data);
+        });
     });
     function save(obj) {
         var value = obj.innerText.trim();
diff --git a/app/views/pn_modules.py b/app/views/pn_modules.py
index 7f913458..6def67a8 100644
--- a/app/views/pn_modules.py
+++ b/app/views/pn_modules.py
@@ -67,20 +67,16 @@ from app.scodoc import html_sco_header
 from app.scodoc.sco_permissions import Permission
 
 
+@bp.route("/table_modules_ue_coefs/<int:formation_id>")
 @bp.route("/table_modules_ue_coefs/<int:formation_id>/<semestre_idx>")
 @scodoc
 @permission_required(Permission.ScoView)
-def table_modules_ue_coefs(formation_id, semestre_idx):
+def table_modules_ue_coefs(formation_id, semestre_idx=None):
     """Description JSON de la table des coefs modules/UE dans une formation"""
     _ = models.Formation.query.get_or_404(formation_id)  # check
-
-    df = moy_ue.df_load_ue_coefs(formation_id, semestre_idx)
-    ues = models.UniteEns.query.filter_by(
-        formation_id=formation_id, semestre_idx=semestre_idx
-    )
-    modules = models.Module.query.filter_by(
-        formation_id=formation_id, semestre_id=semestre_idx
-    )
+    if semestre_idx == "":
+        semestre_idx = None
+    df, ues, modules = moy_ue.df_load_ue_coefs(formation_id, semestre_idx)
     # Titre des modules, en ligne
     col_titres_mods = [
         {
@@ -88,7 +84,7 @@ def table_modules_ue_coefs(formation_id, semestre_idx):
             "y": row,
             # "nbX": 1,
             # "nbY": 1,
-            "style": "title_mod " + scu.ModuleType(mod.module_type).name,
+            "style": "title_mod title_" + scu.ModuleType(mod.module_type).name,
             "data": mod.code,
             "title": mod.titre,
         }
@@ -107,12 +103,13 @@ def table_modules_ue_coefs(formation_id, semestre_idx):
     # Les champs de saisie
     cells = []
     for (row, mod) in enumerate(modules, start=2):
+        style = "champs champs_" + scu.ModuleType(mod.module_type).name
         for (col, ue) in enumerate(ues, start=2):
             cells.append(
                 {
                     "x": col,
                     "y": row,
-                    "style": "champs",
+                    "style": style,
                     "data": df[mod.id][ue.id] or "",
                     "editable": True,
                     "module_id": mod.id,
@@ -154,10 +151,14 @@ def set_module_ue_coef():
 @bp.route("/edit_modules_ue_coefs")
 @scodoc
 @permission_required(Permission.ScoChangeFormation)
-def edit_modules_ue_coefs(semestre_idx=None):
+def edit_modules_ue_coefs():
     """Formulaire édition grille coefs EU/modules"""
     formation_id = int(request.args["formation_id"])
-    semestre_idx = int(request.args.get("semestre_idx", -1))
+    semestre_idx = request.args.get("semestre_idx", "")
+    if len(semestre_idx.strip()) > 0:
+        semestre_idx = int(semestre_idx)
+    else:
+        semestre_idx = None
     formation = models.Formation.query.filter_by(
         formation_id=formation_id
     ).first_or_404()
diff --git a/tests/unit/test_but_modules.py b/tests/unit/test_but_modules.py
index 0edd198d..a8fda0e4 100644
--- a/tests/unit/test_but_modules.py
+++ b/tests/unit/test_but_modules.py
@@ -177,7 +177,7 @@ def test_modules_conformity(test_client):
     evaluation.set_ue_poids_dict({ue1.id: p1, ue2.id: p2})
     assert evaluation.get_ue_poids_dict() == {ue1.id: p1, ue2.id: p2}
     # On n'est pas conforme car p3 est nul alors que c3 est non nul
-    modules_coefficients = moy_ue.df_load_ue_coefs(formation_id)
+    modules_coefficients, _ues, _modules = moy_ue.df_load_ue_coefs(formation_id)
     assert isinstance(modules_coefficients, pd.DataFrame)
     assert modules_coefficients.shape == (nb_ues, nb_mods)
     evals_poids = moy_mod.df_load_evaluations_poids(moduleimpl_id)