diff --git a/src/page/Meeting/index.module.scss b/src/page/Meeting/index.module.scss
index 165b905..36885c4 100644
--- a/src/page/Meeting/index.module.scss
+++ b/src/page/Meeting/index.module.scss
@@ -51,8 +51,8 @@
     left: 50%;
     top: 50%;
     transform: translate(-50%, -50%);
-    width: calc(100% - 20px);
-    height: calc(100% - 20px);
+    width: calc(100% - 18px);
+    height: calc(100% - 18px);
     z-index: 1;
     background-color: black;
     cursor: pointer;