diff --git a/src/App.css b/src/App.css
index 1657b93..cff9592 100644
--- a/src/App.css
+++ b/src/App.css
@@ -8,8 +8,7 @@ body {
   display: flex;
   flex-direction: row;
 
-  margin: 1em;
-  padding: 0;
+  padding: 1em;
 }
 
 .Contents {
@@ -40,6 +39,7 @@ body {
 }
 
 .GalleryItem > img, video {
+  object-fit: contain;
   max-height: 80vh;
 }