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

body {
    font-family: 'Arial', sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    line-height: 1.6;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.menu {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 20px;
}

header {
    background: #1f1f1f;
    color: #ffffff;
    padding: 20px 0;
    text-align: center;
    border-radius: 8px;
    width: 100%;
    max-width: 800px;
}

button {
    background-color: #333333;
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #444444;
}

a {
    display: inline-block;
    background-color: #333333;
    color: #ffffff;
    text-decoration: none;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    text-align: center;
}

a:hover {
    background-color: #444444;
}

section {
    margin: 20px 0;
    padding: 20px;
    background: #1f1f1f;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 800px;
}