:root{--color-olive: #556B2F;--color-gray: #D3D3D3;--color-yellow: #FFD700;--max-width: 1200px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;line-height:1.6;color:#333;min-height:100vh;display:flex;flex-direction:column}main{flex:1;max-width:var(--max-width);margin:0 auto;padding:2rem;width:100%}.container{max-width:var(--max-width);margin:0 auto;padding:0 1rem}.section-title{color:var(--color-olive);text-align:center;margin-bottom:2rem;font-size:2rem}.btn{background-color:var(--color-olive);color:#fff;padding:.5rem 1rem;border:none;border-radius:4px;cursor:pointer;transition:background-color .3s ease}.btn:hover{background-color:#445624}@media(max-width:768px){main{padding:1rem}.section-title{font-size:1.5rem}}