fix: sales pipeline graph issue (#26626)

diff --git a/erpnext/selling/page/sales_funnel/sales_funnel.css b/erpnext/selling/page/sales_funnel/sales_funnel.css
index 89e904f..455d37c 100644
--- a/erpnext/selling/page/sales_funnel/sales_funnel.css
+++ b/erpnext/selling/page/sales_funnel/sales_funnel.css
@@ -1,3 +1,4 @@
 .funnel-wrapper {
 	margin: 15px;
+	width: 100%;
 }
\ No newline at end of file