body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

h1,
h2 {
    color: #1500ff;
}

form {
    background: #fff;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    max-width: 900px;
    width: 100%;
}

input[type="text"],
textarea {
    font-size: 12pt;
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    background: #3498db;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #2980b9;
}

.annonce {
    background: #fff;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    max-width: 900px;
    width: 100%;
}

.annonce small {
    color: #888;
}
/* Bouton haut page */
/* Effet fluide */

html {
    scroll-behavior: smooth;
}

#scrollToTopButton {
    display: block;
    z-index: 99;
    transition:
        background-color 0.3s,
        opacity 0.5s,
        visibility 0.5s;
    opacity: 0;
    visibility: hidden;
    position: fixed;
    bottom: 20px;
    right: 30px;
    border: none;
    border-radius: 4px;
    outline: none;
    width: 50px;
    height: 50px;
    padding: 8px;
    background-color: #333333bf;
}
#scrollToTopButton i {
    color: white;
}
#scrollToTopButton:hover,
#scrollToTopButton:focus,
#scrollToTopButton:focus-within {
    cursor: pointer;
    background-color: #0078b4;
}