1/* Base styles */
 2* {
 3  margin: 0;
 4  padding: 0;
 5  box-sizing: border-box;
 6}
 7
 8body {
 9  font-family: 'Arial', sans-serif;
10  background-color: #f0f2f5;
11  color: #333;
12}
13
14.app-container {
15  max-width: 1200px;
16  margin: 0 auto;
17  padding: 20px;
18}
19
20main {
21  display: flex;
22  flex-direction: column;
23  gap: 20px;
24  margin-top: 20px;
25}