Add heights to body

index.html

@@ -9,11 +9,10 @@
       }
       html {
         box-sizing: border-box;
-        height: 100vh;
-        height: 100svh;
       }
       body {
-        min-height: 100vh;
+        height: 100vh;
+        height: 100svh;
         max-width: 800px;
         margin: 0 auto;
       }