body {
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    /* Đã sửa lỗi urlhttps thành url */
    background-image: url("https://images.unsplash.com/photo-1617196033783-6e4d7f2a3b5a");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #333;
}

header {
    background-color: #7a4b21;
    color: white;
    text-align: center;
    padding: 20px;
}

form {
    max-width: 500px;
    margin: 40px auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
}

input, textarea, select {
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
    margin-top: 5px;
}

button {
    background-color: #7a4b21;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 6px;
    margin-top: 20px;
    cursor: pointer;
    font-weight: bold;
}

    button:hover {
        background-color: #5e3517;
    }

.back-home {
    text-align: center;
    margin-top: 20px;
}

    .back-home a {
        color: #7a4b21;
        text-decoration: none;
        font-weight: bold;
    }