Improve height in weird HF iframe

styles.css

@@ -60,13 +60,12 @@ button.cancel:hover, .cancel[disabled] {
 
 div.block.chatbot {
     height: calc(100svh - 320px) !important;
-    max_height: calc(100svh - 320px) !important;
-    max-height: 1400px;
+    max-height: 900px !important;
 }
 
 @media (max-width: 1280px) {
     div.block.chatbot {
-        max-height: calc(-320px + 100svh) !important;
+        height: calc(-320px + 100svh) !important;
     }
 }
 
@@ -86,7 +85,7 @@ div.block.chatbot {
     }
 
     div.block.chatbot {
-        max-height: calc(-450px + 100svh) !important;
+        height: calc(-450px + 100svh) !important;
     }
 }
 
@@ -111,7 +110,14 @@ div.block.chatbot {
 }
 
 @media (max-height: 932px) {
+    .chatbot {
+        max-height: 500px !important;
+        /*min-height: 320px;*/
+    }
+}
+
+@media (max-height: 1280px) {
     div.block.chatbot {
-        min-height: 320px;
+        max-height: 800px !important;
     }
 }