/* General Styles */ body {     font-family: Arial, sans-serif;     margin: 0;     padding: 0;     line-height: 1.6;     background-color: #f4f4f4;     color: #333;     padding-bottom: 4rem; /* Add padding equal to or greater than footer height */ }  header {     background-color: #333;     color: #fff;     padding: 1rem 0;     text-align: center; }  header h1 {     margin: 0;     font-size: 2.5rem; }  main {     max-width: 800px;     margin: 2rem auto;     padding: 1rem; }