diff --git a/src/styles/sessions/_agora.scss b/src/styles/sessions/_agora.scss
index 3114ae6..e4baf4f 100644
--- a/src/styles/sessions/_agora.scss
+++ b/src/styles/sessions/_agora.scss
@@ -170,11 +170,15 @@
       }
 
       &.gr-5, &.gr-6, &.gr-7, &.gr-8, &.gr-9 {
-        flex: calc((100% - 16px) / 3) 0;
+        & > div {
+          flex: calc((100% - 16px * 2) / 3) 0;
+        }
       }
 
       &.gr-10, &.gr-11, &.gr-12, &.gr-13, &.gr-14, &.gr-15, &.gr-16 {
-        flex: calc((100% - 16px) / 4) 0;
+        & > div {
+          flex: calc((100% - 16px * 3) / 4) 0;
+        }
       }
     }
   }