:root {
    --primary-color: #447e9b;
    --secondary-color: #385f73;
}

body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: #f5f5f5;
}

.header {
    background: var(--primary-color);
    color: white;
    padding: 5px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header a {
    color: white;
    text-decoration: none;
}

.content {
    padding: 10px;
    max-width: 1200px;
    margin: 0 auto;
}

.button {
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.button:hover {
    background: var(--secondary-color);
}