no more margin

www/src/App.svelte

@@ -10,16 +10,7 @@
 <style>
   main {
     text-align: center;
-    padding: 1em;
     max-width: 240px;
-    margin: 0 auto;
-  }
-
-  h1 {
-    color: #ff3e00;
-    text-transform: uppercase;
-    font-size: 4em;
-    font-weight: 100;
   }
 
   @media (min-width: 640px) {

www/src/components/test3D.svelte

@@ -70,12 +70,11 @@
     overflow-x: hidden;
     overflow-y: hidden;
     padding: 0;
+    margin: 0;
   }
 
   body {
-    position: relative;
-    margin: 0;
-
+    position: absolute;
     width: 100%;
     height: 100%;
   }