diff --git a/layouts/landing-matthieu/list.html b/layouts/landing-matthieu/list.html
index 8c7365a..df325a1 100644
--- a/layouts/landing-matthieu/list.html
+++ b/layouts/landing-matthieu/list.html
@@ -227,67 +227,33 @@
+ {{ $slides_count := 6 }}
diff --git a/layouts/partials/fullmod.html b/layouts/partials/fullmod.html
new file mode 100644
index 0000000..b37752b
--- /dev/null
+++ b/layouts/partials/fullmod.html
@@ -0,0 +1,4 @@
+{{- $a := index . 0 -}}
+{{- $b := index . 1 -}}
+{{- $c := mod $a $b -}}
+{{- if lt $c 0 -}}{{- add $c $b -}}{{- else -}}{{- $c -}}{{- end -}}