uBlock/platform/mv3/extension/css/matched-rules.css

#matchedEntries {
    display: flex;
    flex-direction: column;
    font-family: monospace;
    font-size: small;
    white-space: pre-wrap;
    word-break: break-all;
}

.matchInfo {
    display: flex;
    flex-wrap: nowrap;
}

.matchInfo:nth-of-type(2n) {
    background-color: lightgray;
}

.requestInfo {
    border-inline-end: 1px dotted black;
    padding-inline-end: 0.5em;
    width: 25vw;
}

.ruleInfo {
    padding-inline-start: 0.5em;
}