diff --git a/src/page/Meeting/index.module.scss b/src/page/Meeting/index.module.scss
index 88ecf43..5a64b2d 100644
--- a/src/page/Meeting/index.module.scss
+++ b/src/page/Meeting/index.module.scss
@@ -48,10 +48,11 @@
     justify-content: center;
     display: flex;
     align-items: center;
-    left: 0;
-    top: 0;
-    width: 100%;
-    height: 100%;
+    left: 50%;
+    top: 50%;
+    transform: translate(-50%, -50%);
+    width: calc(100% - 20px);
+    height: calc(100% - 20px);
     z-index: 1;
     background-color: black;
     color: white;