wikimedia/mediawiki-extensions-DonationInterface

/* card input space with the card icon */
.DlocalField {
    padding: 0 0.8em;
    border: 1px solid #a2a9b1;
    border-radius: 2px
}

.DlocalField--invalid, .DlocalField--focus.DlocalField--invalid {
    /* Note: coordinate with errorHighlight in skinOverride.css */
    border: 2px solid #f00;
}

.DlocalField--invalid-text {
    color: #f00;
}