/* General Body */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f4f4f9;
    color: #333;
}

/* Header */
header {
    background: #4a90e2;
    color: white;
    padding: 20px 0;
    text-align: center;
}

/* Main content area */
main {
    max-width: 800px;
    margin: 30px auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* Headings */
h1, h2 {
    color: #4a90e2;
}

/* Lists */
ul {
    margin: 0 0 20px 20px;
}

/* Paragraph spacing */
p {
    margin-bottom: 15px;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    color: #777;
    font-size: 0.9em;
}

/* Links */
a {
    color: #4a90e2;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}