body {
    background-color: #f8f9fa;
}

.login-form {
    margin-top: 10vh;
    border: none;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.course-card {
    transition: transform 0.2s;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}