body {
    background-color: #0b0d17; 
    color: #e2e2e2;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
}

header {
    text-align: center;
    padding: 50px 0;
    background: radial-gradient(circle, #1b2735 0%, #090a0f 100%);
}

h1 {
    color: #ffcc00; 
    font-size: 2.5rem;
}


img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

#maillage-planetes ul {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

#maillage-planetes li {
    background: #161b22;
    border: 1px solid #30363d;
    border-radius: 8px;
    transition: transform 0.3s;
}

#maillage-planetes li:hover {
    transform: translateY(-5px);
    border-color: #58a6ff;
}

#maillage-planetes a {
    display: block;
    padding: 20px;
    color: #58a6ff;
    text-decoration: none;
    font-weight: bold;
}