Add navigation bar and styling to main website

assets/global.css

@@ -1,4 +1,5 @@
 @import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');
+@import url('navigation.css');
 body {
     background-color: white;
     font-family: 'Inter', sans-serif;
@@ -7,16 +8,17 @@ body {
     display: flex;
     flex-direction: column;
     align-items: center;
+    margin: 16px;
 }
 
-nav {
+header {
+    display: flex;
     max-width: 720px;
     width: 100%;
+    position: relative;
+    z-index: 1001;
 }
 
-.nav-home-icon {
-    max-width: 64px;
-}
 
 main {
     max-width: 720px;
@@ -35,8 +37,10 @@ a {
     color: unset;
 }
 
+
+
 @media screen and (min-width: 720px) {
-    nav {
+    main {
         padding-top: 32px;
     }
 }