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

header {
    background-color: #007bff;
    color: white;
    text-align: center;
    padding: 1.5rem 0;
}

h1 {
    margin: 0;
}

main {
    padding: 2rem;
}

.course {
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin: 1rem 0;
    padding: 1rem;
}

h2 {
    margin-top: 0;
}

footer {
    text-align: center;
    padding: 1rem 0;
    background-color: #007bff;
    color: white;
    position: relative;
    bottom: 0;
    width: 100%;
}