html,
body {
    min-height: 100%;
}

body {
    background: #eef2f5;
}

.operator-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.operator-main {
    flex: 1;
}

.operator-action {
    min-height: 10rem;
    border-radius: .5rem;
    font-size: 1.25rem;
    text-decoration: none;
}

.operator-action .bi {
    font-size: 2.5rem;
}

.language-switcher .btn {
    min-width: 2.35rem;
    padding: .2rem .5rem;
    font-size: .78rem;
    line-height: 1.2;
    font-weight: 600;
}

.language-switcher .btn.active {
    color: #fff;
}