h1 {
    margin: 0;
}
.course-container {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    justify-content: center;
    padding: 20px;
}
.course-card {
    display: flex;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    width: 100%;
    max-width: 700px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    background-color: white;
}
.course-info {
    padding: 20px;
    width: 60%;
    text-align: justify;
}
.course-image {
    width: 40%;
    background-size: cover;
    background-position: center;
}
.course-card h3 {
    color: #900000;
    margin-top: 0;
}
.duration {
    font-style: italic;
    color: #666;
    margin-bottom: 15px;
}
.btn {
    display: inline-block;
    background-color: #900000;
    color: white;
    padding: 10px 15px;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 15px;
    transition: background-color 0.3s;
}
.btn:hover {
    background-color: #003d66;
}
footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    background-color: #ddd;
    border-radius: 8px;
}

@media (max-width: 768px) {
    .course-card {
        flex-direction: column;
    }
    .course-info, .course-image {
        width: 100%;
    }
    .course-image {
        height: 200px;
    }
}