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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    background-color: #f5f5f5;
}

header {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

h1 {
    color: #333;
    margin-bottom: 10px;
}

.version-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.version-card {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.version-card:hover {
    transform: translateY(-5px);
}

.version-number {
    font-size: 1.5em;
    color: #2c5282;
    margin-bottom: 10px;
    font-weight: bold;
}

.version-date {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 15px;
}

.version-link {
    display: inline-block;
    padding: 8px 16px;
    background-color: #4299e1;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.version-link:hover {
    background-color: #2b6cb0;
}

footer {
    margin-top: 40px;
    text-align: center;
    color: #666;
    font-size: 0.9em;
}

@media (max-width: 600px) {
    .version-grid {
        grid-template-columns: 1fr;
    }
}