fix margin

Author: solygambas

Diff for: 91-chat interface/style.css

@@ -11,7 +11,6 @@ body {
   align-items: center;
   justify-content: center;
   min-height: 100vh;
-  margin: 2rem 0;
   background: url("https://images.unsplash.com/photo-1533134486753-c833f0ed4866?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80")
     center center / cover;
   text-align: center;