Update style.css

style.css

@@ -1,28 +1,11 @@
 body {
-	padding: 2rem;
 	font-family: -apple-system, BlinkMacSystemFont, "Arial", sans-serif;
 }
 
-h1 {
-	font-size: 16px;
-	margin-top: 0;
-}
-
-p {
-	color: rgb(107, 114, 128);
-	font-size: 15px;
-	margin-bottom: 10px;
-	margin-top: 5px;
-}
-
-.card {
-	max-width: 620px;
-	margin: 0 auto;
-	padding: 16px;
-	border: 1px solid lightgray;
-	border-radius: 16px;
-}
-
-.card p:last-child {
-	margin-bottom: 0;
-}
+html, body, .bria-iframe {
+  width: 100%;
+  height: 100%;
+  margin: 0;
+  padding: 0;
+  border: 0;
+}