fourth batch, finish the about but still not yet able to find the exact img because i simply dont had any

about.css

@@ -1,16 +1,38 @@
-.about-nav {
-    margin-bottom: 3eem;
+/* External CSS: mengatur posisi header */
+.header {
+    margin: 1em auto;
+    width: min(1500px, 100%);
 }
 
-.about-nav ul {
-    display: flex;
-    justify-content: flex-end;
-    align-items: center;
-    list-style-type: none;
-    gap: 2eem;
-    padding: 0;
+/* External CSS: mengatur posisi navigasi */
+.nav {
+    margin: 1em auto 3em auto;
+    width: min(1500px, 100%);
 }
 
-.about-nav li:first-child {
+/* Mengatur posisi menu Home */
+.nav li:first-child {
     margin-right: auto;
 }
+
+/* External CSS: mengatur layout container utama */
+.flex-container {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 1rem;
+    width: min(1100px, 100%);
+    margin: 0 auto;
+    box-sizing: border-box;
+    background-color: #ffffff;
+    border: 1px solid #bdbdbd;
+    border-radius: 12px;
+    padding: 30px;
+}
+
+/* External CSS: mengatur tampilan footer */
+footer {
+    margin-top: 3rem;
+    padding: 20px;
+    text-align: center;
+}