.vax-install-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 15px;
    border: 1px solid #2f6b63;
    border-radius: 999px;
    background: #2f6b63;
    color: #ffffff;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background .2s ease, transform .2s ease;
}

.vax-install-btn:hover {
    background: #24564f;
    transform: translateY(-1px);
}

.vax-install-btn[hidden] {
    display: none !important;
}

@media (max-width: 768px) {
    .vax-install-btn {
        padding: 9px 11px;
        font-size: 13px;
    }

    .vax-install-btn span {
        display: inline;
    }
}