button.btna {
    color: #ffffff !important;
    background-color: var(--btn-color-b);
    border: none;
    padding: 1.9vh 4vh;
    border-radius: 1vh;
}
button.btnb {
    color: #000000 !important;
    background-color: var(--btn-color-a);
    border: none;
    padding: 1.9vh 4vh;
    border-radius: 1vh;
}
a {
    text-decoration: none;
    color: #ffffff !important;
}