body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    margin: 0;
    padding: 0;
}

header {
    background-color: #4CAF50;
    color: white;
    text-align: center;
    padding: 20px;
}

h1 {
    margin: 0;
    font-size: 2.5rem;
}

/* Course List Container */
.course-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 20px;
}

/* Individual Course Card */
.course-card {
    background-color: white;
    width: 250px;
    margin: 15px;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.2s ease-in-out;
    position: relative;
}

.course-card img {
    width: 100%;
    border-radius: 5px;
    object-fit: cover;
}

.course-card h2 {
    font-size: 1.5rem;
    color: #333;
    margin-top: 15px;
}

.course-card p {
    color: #777;
    font-size: 1rem;
    margin: 10px 0;
}

.course-card .btn {
    display: inline-block;
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    margin-top: 15px;
}

.course-card .btn:hover {
    background-color: #45a049;
    transform: scale(1.05);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #333;
    color: white;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .course-card {
        width: 90%; 
    }

    h1 {
        font-size: 2rem;
    }
}