implement first page header with metamask connection

Co-authored-by: geovanne97 <geovannessaraiva97@gmail.com>
Co-authored-by: brunoedcf <brest.dallacosta@outlook.com>

src/assets/main.css

@@ -4,9 +4,9 @@
 @tailwind utilities;
 
 #app {
-  max-width: 1280px;
   margin: 0 auto;
   padding: 2rem;
+  height: 100vh;
 
   font-weight: normal;
 }
@@ -25,14 +25,4 @@ a,
 }
 
 @media (min-width: 1024px) {
-  body {
-    display: flex;
-    place-items: center;
-  }
-
-  #app {
-    display: grid;
-    grid-template-columns: 1fr 1fr;
-    padding: 0 2rem;
-  }
 }