diff --git a/addons/mrp/static/src/scss/mrp_workorder_kanban.scss b/addons/mrp/static/src/scss/mrp_workorder_kanban.scss
new file mode 100644
index 00000000000..d2580da46d8
--- /dev/null
+++ b/addons/mrp/static/src/scss/mrp_workorder_kanban.scss
@@ -0,0 +1,10 @@
+.o_kanban_dashboard.o_kanban_view {
+    &.o_mrp_workorder_kanban,&.o_workcenter_kanban {
+        .o_kanban_group:not(.o_column_folded) {
+            width: 400px + $o-kanban-group-padding;
+        }
+        .o_kanban_record {
+            width: 400px;
+        }
+    }
+}
\ No newline at end of file
diff --git a/addons/mrp/views/mrp_templates.xml b/addons/mrp/views/mrp_templates.xml
index 59604b0183c..bdf3c619b4d 100644
--- a/addons/mrp/views/mrp_templates.xml
+++ b/addons/mrp/views/mrp_templates.xml
@@ -2,6 +2,7 @@
 <odoo>
     <template id="assets_backend" name="mrp assets" inherit_id="web.assets_backend">
         <xpath expr="." position="inside">
+            <link rel="stylesheet" type="text/scss" href="/mrp/static/src/scss/mrp_workorder_kanban.scss" />
             <script type="text/javascript" src="/mrp/static/src/js/mrp.js"></script>
             <script type="text/javascript" src="/mrp/static/src/js/mrp_bom_report.js"></script>
         </xpath>
diff --git a/addons/mrp/views/mrp_workcenter_views.xml b/addons/mrp/views/mrp_workcenter_views.xml
index 6a8535057ea..fd1a8ea82bf 100644
--- a/addons/mrp/views/mrp_workcenter_views.xml
+++ b/addons/mrp/views/mrp_workcenter_views.xml
@@ -150,7 +150,7 @@
                     <field name="oee_target"/>
                     <templates>
                         <t t-name="kanban-box">
-                            <div style="width: 400px;" t-attf-class="#{!selection_mode ? kanban_color(record.color.raw_value) : ''}">
+                            <div t-attf-class="#{!selection_mode ? kanban_color(record.color.raw_value) : ''}">
                                 <div t-attf-class="o_kanban_card_header o_kanban_record_top">
                                     <div class="o_kanban_record_headings o_kanban_card_header_title">
                                         <span class="o_primary ml8" style="display: inline-block">
diff --git a/addons/mrp/views/mrp_workorder_views.xml b/addons/mrp/views/mrp_workorder_views.xml
index 9612689cb59..f160ec9cae4 100644
--- a/addons/mrp/views/mrp_workorder_views.xml
+++ b/addons/mrp/views/mrp_workorder_views.xml
@@ -353,7 +353,7 @@
         <field name="name">mrp.production.work.order.kanban</field>
         <field name="model">mrp.workorder</field>
         <field name="arch" type="xml">
-            <kanban class="oe_background_grey o_kanban_dashboard" create="0">
+            <kanban class="oe_background_grey o_kanban_dashboard o_mrp_workorder_kanban" create="0">
                 <field name="name"/>
                 <field name="production_id"/>
                 <field name="state"/>
@@ -367,7 +367,7 @@
                 <field name="product_uom_id"/>
                 <templates>
                     <t t-name="kanban-box">
-                        <div style="width: 400px;" class="oe_kanban_global_click">
+                        <div class="oe_kanban_global_click">
                             <div class="o_kanban_card_header o_kanban_record_top">
                                 <div class="o_kanban_record_headings o_kanban_card_header_title">
                                     <strong class="o_primary ml8">