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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    min-height: 100vh;
    padding: 20px;
}

main {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: 1.2em;
    font-style: italic;
}

section {
    margin-bottom: 30px;
}

h2 {
    color: #f5576c;
    margin-bottom: 15px;
    border-bottom: 2px solid #f5576c;
    padding-bottom: 5px;
}

code {
    background: #f4f4f4;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    color: #e83e8c;
}

ul, ol {
    margin-left: 30px;
    margin-top: 10px;
}

li {
    margin-bottom: 8px;
}

footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    color: white;
    font-size: 0.9em;
}

@media (max-width: 600px) {
    body {
        padding: 10px;
    }
    
    main {
        padding: 20px;
    }
    
    header h1 {
        font-size: 1.8em;
    }
}