*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    text-decoration: none;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f0f0f0;
    color: #333;
}

#container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 20px;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

header p {
    font-size: 1.2em;
    color: #666;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    margin-bottom: 10px;
}

nav ul li a {
    text-decoration: none;
    color: #007bff; 
}

nav ul li a:hover {
    text-decoration: underline;
}