.center-portal-trigger {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(173, 132, 55, .32);
    border-radius: 7px;
    color: #8d6a2f;
    background: rgba(255, 255, 255, .92);
    transition: transform .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
    margin-left: 8px;
}
.center-portal-trigger svg { width: 22px; height: 22px; }
.center-portal-trigger:hover,
.center-portal-trigger:focus-visible {
    transform: translateY(-1px);
    color: #fff;
    background: #a47a31;
    border-color: #a47a31;
    outline: none;
}
@media (max-width: 991px) {
    .center-portal-trigger { width: 40px; height: 40px; margin-left: auto; margin-right: 8px; }
}