diff --git a/login/resources/css/s2i2s-login.css b/login/resources/css/s2i2s-login.css
index 14db814..cd3d265 100644
--- a/login/resources/css/s2i2s-login.css
+++ b/login/resources/css/s2i2s-login.css
@@ -1,4 +1,4 @@
-.login-pf body {
+.login-s2i2s body {
     background: url("../img/bg.png") no-repeat center center fixed;
     background-size: cover;
     height: 100%;
diff --git a/login/theme.properties b/login/theme.properties
index 732b6be..291d2f4 100644
--- a/login/theme.properties
+++ b/login/theme.properties
@@ -4,3 +4,4 @@ import=common/keycloak
 styles=node_modules/patternfly/dist/css/patternfly.min.css node_modules/patternfly/dist/css/patternfly-additions.min.css lib/zocial/zocial.css css/s2i2s-login.css
 
 kcLogoLink=http://www.isti.cnr.it
+kcHtmlClass=login-s2i2s