Update style.css

style.css

@@ -1,28 +1,19 @@
-body {
-	padding: 2rem;
-	font-family: -apple-system, BlinkMacSystemFont, "Arial", sans-serif;
-}
+    html,
+    body {
+      margin: 0;
+      border: 0;
+      min-height: 100% !important;
+      height: 100%;
+      overflow: hidden;
+    }
 
-h1 {
-	font-size: 16px;
-	margin-top: 0;
-}
+    /* Basic page style resets */
+    * {
+      box-sizing: border-box;
+    }
 
-p {
-	color: rgb(107, 114, 128);
-	font-size: 15px;
-	margin-bottom: 10px;
-	margin-top: 5px;
-}
+    [hidden] {
+      display: none !important;
+    }
 
-.card {
-	max-width: 620px;
-	margin: 0 auto;
-	padding: 16px;
-	border: 1px solid lightgray;
-	border-radius: 16px;
-}
 
-.card p:last-child {
-	margin-bottom: 0;
-}