.box {
    text-align: center;
    border: 1px solid white;
    border-radius: 5px;
    width: 20vh;
    margin: 0 auto;
    margin-top: 20vh;
    padding: 2vh;
    background-color: rgb(31, 31, 31);
    font-size: 20px;
}

.back {
    text-align: center;
    border: 1px solid white;
    border-radius: 5px;
    width: 20vh;
    margin: 0 auto;
    margin-top: 1vh;
    padding: 2vh;
    background-color: rgb(31, 31, 31);
    font-size: 20px;
}

.back a {
    text-decoration: none;
    color: white
}