.navbar {
    display: flex;
    justify-content: center;
}

.navbar > a {
    border: 3px solid rgb(0, 0, 50);
    border-radius: 3px;
    margin: 15px;
    padding: 30px;
    text-decoration: none;

    transition: 0.7s;
}

.navbar > a:hover{
    background-color: rgb(0, 0, 50);
    border-radius: 1.5em;
    color: rgb(211, 211, 211);
}