.project-persons .speaker-group-persons {
    margin: auto;
    max-width: 750px;
}

.acroweb-checkbox {
    margin-top: 1rem;
}
.acroweb-checkbox input[type="checkbox"] {
    margin-right: .5rem;
    accent-color: #720a0a;
}
.acroweb-checkbox label a {
    color: #720a0a;
}
.acroweb-checkbox:has(input:not(:checked)) .btn {
    opacity: .3;
    pointer-events: none;
}