Add basic styles for body, header, section, and footer

Author: suddis

one-page-website/style.css

@@ -1 +1,22 @@
-.txt
+body {
+    font-family: Arial, sans-serif;
+    margin: 0;
+    padding: 0;
+}
+
+header {
+    background-color: black;
+    color: white;
+    text-align: center;
+    padding: 20px;
+}
+
+section {
+    padding: 30px;
+}
+
+footer {
+    background-color: #f2f2f2;
+    text-align: center;
+    padding: 10px;
+}