html,
body {
    height: 100%;
    margin: 0;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

h1,
h2 {
    color: #01a8f4;
}

p {
    line-height: 1.6;
}

ul {
    padding-left: 1.2rem;
}

ul li {
    margin-bottom: 0.5rem;
}

.container {
    max-width: 960px;
    margin: auto;
    padding: 2rem;
}

footer a {
    color: white;
    text-decoration: underline;
}

.btn-retour {
    display: inline-block;
    margin-bottom: 1.5rem;
    padding: 0.5rem 1rem;
    background-color: #01a8f4;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn-retour:hover {
    background-color: #0283c2;
}