body {
    background-image: url('images/accueil.png');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    color: #fff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.frame-content {
    background: rgba(10, 30, 50, 0.85);
    padding: 50px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    text-align: center;
    max-width: 600px;
    width: 100%;
    border: 2px solid #1e90ff;
}

h1 {
    color: #1e90ff;
    font-size: 2.5em;
    margin-bottom: 15px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
}

p {
    color: #add8e6;
    font-size: 1.2em;
    margin-bottom: 30px;
    font-style: italic;
}

.buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    font-weight: bold;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.login {
    background: #1e90ff;
    color: white;
}

.register {
    background: #0066cc;
    color: white;
}