Try max-height

Author: velopert

src/components/velog/VelogResponsive.tsx

@@ -6,8 +6,10 @@ const VelogResponsiveBlock = styled.div`
   width: 768px;
   margin-left: auto;
   margin-right: auto;
+
   ${media.small} {
     width: 100%;
+    max-height: 400px;
   }
 `;