body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1em 0;
}

main {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}


h1, h2, p {
    color: #333;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 20px;
}

.course-details {
    margin-top: 20px;
}

.course-details h2 {
    border-bottom: 2px solid #333;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.course-details p {
    line-height: 1.6;
    color: #555;
}

.course-details ul {
    list-style-type: none;
    padding: 0;
}

.course-details ul li::before {
    content: '\2022'; /* Bullet point character */
    color: #007BFF;
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

footer {
    text-align: center;
    padding: 1em 0;
    background-color: #333;
    color: #fff;
}