.ml {
    padding: 20px;
    font-family: 'Arial', sans-serif;
    color: #333;
    line-height: 1.6;
}
  
.ml > .ml-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.ml-container h1 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 28px;
    color: #222;
}

.ml-container h2 {
    margin-top: 20px;
    font-size: 22px;
    color: #444;
    border-bottom: 1px solid #ddd;
    padding-bottom: 5px;
}

.ml-container h3 {
    margin-top: 15px;
    font-size: 18px;
    color: #555;
}

.ml-container ul {
    margin: 10px 0;
    padding-left: 20px;
}

.ml-container ul li {
    margin-bottom: 10px;
}

.ml > .ml-container a {
    color: #007bff;
    text-decoration: none;
}

.ml > .ml-container a:hover {
    text-decoration: underline;
}

.ml-container p {
    margin-bottom: 15px;
}

.btn-back{
    position: sticky;
    font-weight: bold;
    width: 150px;
    position: fixed;
    background-color: rgba(0, 0, 0, 0.3);
}