diff --git a/org.adempiere.ui.zk/theme/default/css/fragment/parameter-process.css.dsp b/org.adempiere.ui.zk/theme/default/css/fragment/parameter-process.css.dsp
index 9dd9e9e3aa..8f8a668c84 100644
--- a/org.adempiere.ui.zk/theme/default/css/fragment/parameter-process.css.dsp
+++ b/org.adempiere.ui.zk/theme/default/css/fragment/parameter-process.css.dsp
@@ -5,11 +5,15 @@ it fix some issue relate resize, but can make side effect
 when detect side effect, fix to only apply for parameter window*/
 .z-window.z-window-noborder.z-window-noheader.z-window-embedded,
 .z-window.z-window-noborder.z-window-noheader.z-window-embedded .z-window-content,
-.main-parameter-layout{
+.main-parameter-layout {
 	height: 100%;
 }
+.process-modal-dialog .main-parameter-layout{
+	height: auto;
+	flex-basis: auto;
+}
 .process-modal-dialog.z-window > .z-window-content {
-	flex: 1 1 0;
+	flex: 1 1 auto;
 }
 
 .main-parameter-layout,
@@ -28,6 +32,8 @@ when detect side effect, fix to only apply for parameter window*/
 }
 .top-parameter-layout{
 	overflow: auto;
+	padding-bottom: 2vh;
+	flex-basis: auto;
 }
 
 .bottom-parameter-layout{
diff --git a/org.adempiere.ui.zk/theme/default/css/fragment/window-size.css.dsp b/org.adempiere.ui.zk/theme/default/css/fragment/window-size.css.dsp
index d69950d3e7..236cf36090 100644
--- a/org.adempiere.ui.zk/theme/default/css/fragment/window-size.css.dsp
+++ b/org.adempiere.ui.zk/theme/default/css/fragment/window-size.css.dsp
@@ -386,13 +386,3 @@
 	}
 }
 
-@media screen and (max-height: 500px) {
-	.popup-dialog.process-modal-dialog {
-		height: 100%;
-	}
-}
-@media screen and (min-height: 501px) {
-	.popup-dialog.process-modal-dialog {
-		min-height: 500px;
-	}
-}