body{margin:0;font-family:Arial, sans-serif;font-size:26px;line-height:1.6;background-color:#f9f9f9;color:#333}header,footer{background-color:#004085;color:white;padding:1rem;text-align:center}header{font-size:1.5rem;font-weight:bold}footer{font-size:0.875rem}main{padding:2rem;font-size:1.125rem}