body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f9;
    color: #333;
}

.card {
    background-color: #ffffff;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.card-title {
    color: #007bff;
    font-weight: bold;
}

.card-text {
    font-size: 1.1rem;
}

h1, h3 {
    color: #333;
    font-weight: bold;
}

#calendar {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    font-size: 1.2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#calendar ul {
    list-style-type: none;
    padding: 0;
}

#calendar li {
    margin: 10px 0;
}

footer {
    position: relative;
    bottom: 0;
    width: 100%;
    background-color: #212529;
    color: #fff;
}