a {
    text-decoration: none;
    color: #333;
    border: 3px solid white;
    border-radius: 50%;
    padding: 20px;
    font-weight: bold;
}

.container {
    display: flex; 
    flex-direction: column;
    justify-content: center; 
    align-items: center; 
    margin-top: 40vh;
}