body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #f5f5f5;
}

.header {
    width: 100%;
    padding: 20px;
    background-color: #6200ea;
    color: white;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.main-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 20px;
}

.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin: 20px;
    padding: 20px;
    text-align: center;
    width: 300px;
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-5px);
}

.material-icons {
    font-size: 40px;
    color: #6200ea;
    margin-bottom: 10px;
}

.link-button {
    display: inline-block;
    padding: 10px 20px;
    margin-top: 20px;
    background-color: #6200ea;
    color: white;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s;
}

.link-button:hover {
    background-color: #3700b3;
}