h1 {
    text-align: center;
}

.navigation {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.link {
    width: 100px;
    padding: 5px;
    margin: 3px;
    text-align: center;
    color: white;
    background-color: gray;
    border: 3px solid rgb(255, 0, 0);
    text-decoration: none;
    transition: 0.2s;
}

.link:hover {
    color: white;
    background-color: rgb(255, 116, 211);
    border: 3px solid rgb(255, 255, 255);
}