body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0;
    background-color: rgb(90, 90, 90);
}

header {
    background-color: rgb(39, 39, 39);
    display: flex;
    justify-content: center;
    font-size: 10ch;
    color: whitesmoke;
    width: 100vw;
    padding: 10px;
    font-weight: 600;
}

button {
    background-color: rgb(13, 179, 13);
    margin-top: 30px;
    border-radius: 10px;
    width: 50vw;
    justify-content: center;
    font-size: 5ch;
    font-weight: 500;
}