body{margin:0;padding:0;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}.container{max-width:1200px;margin:0 auto;padding:0 15px}.text-center{text-align:center}.mt-4{margin-top:1.5rem}.mb-4{margin-bottom:1.5rem}