* {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
    padding: 20px;
    max-width: 800px;
    margin: auto;
}

h1 {
    color: #333;
    text-align: center;
}

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

ul li {
    background-color: #fff;
    border: 1px solid #ddd;
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 4px;
    box-shadow: 0px 2px 5px rgba(0,0,0,0.1);
}

ul li a {
    text-decoration: none;
    color: #0066cc;
    font-weight: bold;
    display: block;
}

ul li a:hover {
    background-color: #f8f8f8;
}

.titre {
    color: #4c4848;
    text-align: center;
    margin-bottom: 40px;
    background-color: #e0e0e0;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    h1 {
        font-size: 24px;
    }
}

.admin {
    position: relative;
    min-height: 50px;
}

#btn-admin {
    position: absolute;
    top: -5px;
    right: 20px;
    text-decoration: none;
    background-color: #3498db;
    color: #ffffff;
    padding: 10px 15px;
    border-radius: 5px;
    border: none;
    font-weight: bold;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

#btn-admin:hover {
    background-color: #2e86c1;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    cursor: pointer;
}