* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f6f7;
    color: #333;
    line-height: 1.6;
}

.container {
    margin: 0 auto;
    padding: 20px;
}

.header {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    margin-bottom: 40px;
}

.footer {
    text-align: center;
    color: #95a5a6;
    padding: 30px 0;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
}