ui-icon {
    line-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

ui-icon::before {
    margin: 0 !important;
    padding: 0 !important;
    text-align: center;
}

ui-icon.standard::before {
    font-size: 24px;
}

ui-icon.mini::before {
    font-size: 16px;
}