body {
    height: 100%;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: black;
    width: 100%;
}

html {
    height: 100%;
    font-family: sans-serif;
}

header {
    text-align: center;
    padding: 40px;
    background: black;
    color: white;
}

.title-container {
    border: 2px solid white;
    padding: 20px;
    background-color: black;
}

.main-title {
    text-align: center;
    color: yellow;
    font-size: 2em;
    margin: 0;

}

.outside-text2 {
    margin-top: 30px;
    color: white;
    text-align: center;
    padding: 0 15px;
    font-size: 25px;
}

.center-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.btn2 {
    padding: 20px 30px;
    background-color: green;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
    margin-top: 20px;
}

.btn2:hover {
    background-color: #32CD32;
}

.btn,
.btn2 {
    padding: 15px 20px;
    margin-right: 10px;
}

.cadre {
    width: 90%; /* Ajustement pour une meilleure adaptation */
    max-width: 500px; /* Limite la largeur maximale */
    margin: 20px auto;
    text-align: center;
    padding: 20px;
    border-radius: 5px;
}

.cadre input[type="text"],
.cadre input[type="email"] {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
}

textarea {
    width: 100%;
    margin-bottom: 10px;
    height: 200px;
}

button {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #28a745;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

/* Média queries pour les écrans plus petits (par exemple, smartphones) */
@media screen and (max-width: 600px) {
    .cadre {
        width: 90%;
    }
}