wikimedia/mediawiki-core

/* Override styles from 'mediawiki.diff.styles' that mess with QUnit's diffs */
/* stylelint-disable-next-line selector-class-pattern */
#qunit-tests table.diff {
    border: 0;
    white-space: normal;
    border-spacing: 0;
    table-layout: auto;
    width: auto;
}