diff --git a/sign_oca/static/src/scss/portal.scss b/sign_oca/static/src/scss/portal.scss
index 9ee38d41..45252fa6 100644
--- a/sign_oca/static/src/scss/portal.scss
+++ b/sign_oca/static/src/scss/portal.scss
@@ -1,5 +1,7 @@
 .o_sign_oca_content {
     height: 100%;
+    display: flex;
+    flex-direction: column;
 }
 .o_oca_sign_portal_info {
     display: flex;
diff --git a/sign_oca/static/src/scss/sign_oca.scss b/sign_oca/static/src/scss/sign_oca.scss
index 4dd07c1e..d5d5307f 100644
--- a/sign_oca/static/src/scss/sign_oca.scss
+++ b/sign_oca/static/src/scss/sign_oca.scss
@@ -7,6 +7,8 @@
 html .o_web_client > .o_action_manager > .o_action > .o_content > .o_sign_oca_content {
     height: 100%;
     width: 100%;
+    display: flex;
+    flex-direction: column;
 }
 html
     .o_web_client