Update style.css

style.css

@@ -10,12 +10,19 @@ header {
     color: #fff;
     text-align: center;
     padding: 20px;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
 }
 
 h1 {
     margin: 0;
 }
 
+.logo img {
+    max-height: 50px;
+}
+
 main {
     max-width: 800px;
     margin: 20px auto;
@@ -48,3 +55,7 @@ a {
     text-decoration: none;
     color: #007BFF;
 }
+
+a:hover {
+    text-decoration: underline;
+}