uBlock/src/css/codemirror.css

.codeMirrorContainer {
    font-size: 12px;
    line-height: 1.25;
    overflow: hidden;
    position: relative;
    }
.CodeMirror {
    background-color: var(--default-surface);
    box-sizing: border-box;
    color: var(--default-ink);
    flex-grow: 1;
    height: 100%;
    width: 100%;
    }
.CodeMirror-gutters {
    background-color: var(--cm-gutter-surface);
    border-color: var(--cm-gutter-border);
    }
.CodeMirror-linenumber {
    color: var(--cm-gutter-ink);
    }

/* For when panels are used */
.codeMirrorContainer > div:not([class^="CodeMirror"]) {
    display: flex;
    flex-direction: column;
    height: 100%;
    }

.codeMirrorContainer.codeMirrorBreakAll .CodeMirror-wrap pre {
    word-break: break-all;
    }

/* CodeMirror theme overrides */
.cm-s-default .cm-comment {
    color: var(--sf-comment-ink);
    }
.cm-s-default .cm-def {
    color: var(--sf-def-ink);
    }
.cm-s-default .cm-directive {
    color: var(--sf-directive-ink);
    font-weight: bold;
    }
.cm-s-default .cm-error {
    color: inherit;
    }
.cm-s-default .cm-error,
.CodeMirror-linebackground.error {
    background-color: var(--sf-error-surface);
    text-decoration: underline var(--sf-error-ink);
    text-underline-position: under;
    }
.cm-s-default .cm-link {
    text-decoration: none;
    }
.cm-s-default .cm-link:hover {
    color: var(--link-ink);
    }
.cm-s-default .cm-keyword {
    color: var(--sf-keyword-ink);
    }
.cm-s-default .cm-regex {
    text-underline-position: under;
    text-decoration-color: var(--sf-regex-ink);
    text-decoration-style: solid;
    text-decoration-line: underline;
    }
.cm-s-default .cm-tag {
    color: var(--sf-tag-ink);
    }
.cm-s-default .cm-value { color: var(--sf-value-ink); }
.cm-s-default .cm-variable {
    color: var(--sf-variable-ink);
    }
.cm-s-default .cm-warning {
    text-decoration: underline var(--sf-warning-ink);
    text-underline-position: under;
    }

/* Rules */
.cm-s-default .cm-allowrule {
    color: var(--df-allow-ink);
    font-weight: bold;
    }
.cm-s-default .cm-blockrule {
    color: var(--df-block-ink);
    font-weight: bold;
    }
.cm-s-default .cm-nooprule {
    color: var(--df-noop-ink);
    font-weight: bold;
    }
.cm-s-default .cm-sortkey {
    color: var(--sf-keyword-ink);
    }

div.CodeMirror span.CodeMirror-matchingbracket {
    color: unset;
    }
.CodeMirror-matchingbracket {
    background-color: #afa;
    color: inherit !important;
    font-weight: bold;
    }

.cm-search-widget {
    align-items: center;
    background-color: var(--cm-gutter-surface);
    border-bottom: 1px solid var(--cm-gutter-border);
    cursor: default;
    direction: ltr;
    display: flex;
    flex-shrink: 0;
    justify-content: space-between;
    padding: 0.5em;
    user-select: none;
      -moz-user-select: none;
      -webkit-user-select: none;
    z-index: 1000;
    }
.cm-search-widget-input {
    display: inline-flex;
    flex-grow: 1;
    }
.cm-search-widget .fa-icon {
    fill: var(--cm-gutter-ink);
    font-size: 140%;
    }
.cm-search-widget .fa-icon:not(.fa-icon-ro):hover {
    fill: #000;
    }
.cm-search-widget-input input {
    border: 1px solid var(--cm-gutter-ink);
    display: inline-flex;
    flex-grow: 1;
    max-width: 16em;
    }
.cm-search-widget-count {
    align-items: center;
    display: inline-flex;
    flex-grow: 0;
    font-size: 95%;
    min-width: 6em;
    visibility: hidden;
    }
.cm-search-widget[data-query] .cm-search-widget-count:not(:empty) {
    visibility: visible;
    }
.cm-search-widget .cm-search-widget-button:hover {
    color: #000;
    }
.cm-search-widget .sourceURL[href=""] {
    display: none;
    }
.cm-searching {
    border: 1px dotted black;
    }

.CodeMirror-merge {
    border-color: var(--cm-gutter-border);
    }
.CodeMirror-merge-l-deleted {
    background-image: none;
    }
.CodeMirror-merge-l-inserted {
    background-image: none;
    }
/* This probably needs to be added to CodeMirror repo */
.CodeMirror-merge-gap {
    background-color: var(--cm-gutter-surface);
    border-color: var(--cm-gutter-border);
    vertical-align: top;
    }
.CodeMirror-merge-spacer {
    background-color: var(--cm-gutter-surface);
    }

.CodeMirror-hints {
    z-index: 10000;
    }