Update style.css

style.css

@@ -1,28 +1,47 @@
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+}
+
 body {
-	padding: 2rem;
-	font-family: -apple-system, BlinkMacSystemFont, "Arial", sans-serif;
+  font-family: Arial, sans-serif;
 }
 
-h1 {
-	font-size: 16px;
-	margin-top: 0;
+.navbar {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  background-color: #333;
+  color: #fff;
+  padding: 10px 20px;
 }
 
-p {
-	color: rgb(107, 114, 128);
-	font-size: 15px;
-	margin-bottom: 10px;
-	margin-top: 5px;
+.headline {
+  background-color: #f4f4f4;
+  text-align: center;
+  padding: 50px 20px;
 }
 
-.card {
-	max-width: 620px;
-	margin: 0 auto;
-	padding: 16px;
-	border: 1px solid lightgray;
-	border-radius: 16px;
+.content {
+  padding: 50px 20px;
+  background-color: #fff;
+  text-align: center;
 }
 
-.card p:last-child {
-	margin-bottom: 0;
+.portfolio {
+  padding: 50px 20px;
+  background-color: #f4f4f4;
+  text-align: center;
 }
+
+footer {
+  background-color: #333;
+  color: #fff;
+  text-align: center;
+  padding: 20px;
+}
+
+footer .about {
+  margin-bottom: 10px;
+}