uBlock/src/css/epicker-ui.css

html#ublock0-epicker,
#ublock0-epicker body {
    background: transparent;
    cursor: not-allowed;
    height: 100vh;
    margin: 0;
    overflow: hidden;
    width: 100vw;
}
#ublock0-epicker :focus {
    outline: none;
}
#ublock0-epicker aside {
    background-color: var(--surface-1);
    border: 1px solid var(--border-2);
    bottom: 2px;
    box-sizing: border-box;
    cursor: default;
    display: none;
    max-height: calc(100vh - 4px);
    max-width: 36rem;
    min-width: 24rem;
    overflow-y: auto;
    padding: 4px;
    position: fixed;
    right: 2px;
    width: calc(40% - 2px);
}
/* https://github.com/uBlockOrigin/uBlock-issues/discussions/2114 */
#ublock0-epicker aside {
    min-width: min(24rem, 100vw - 4px);
}
#ublock0-epicker.paused:not(.zap) aside {
    display: block;
}
#ublock0-epicker #toolbar {
    display: flex;
}
#ublock0-epicker ul {
    margin: 0.25em 0 0 0;
}
#ublock0-epicker.preview #preview {
    background-color: var(--button-preferred-surface);
    color: var(--button-preferred-ink);
}
#ublock0-epicker #move {
    background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAYAAAAECAYAAACtBE5DAAAAFElEQVQI12NgwAfKy8v/M5ANYLoBshgEyQo6H9UAAAAASUVORK5CYII=');
    cursor: grab;
    flex-grow: 1;
    margin: 2px 4px;
    opacity: 0.8;
    }
#ublock0-epicker aside.moving #move {
    cursor: grabbing;
}
#ublock0-epicker section {
    border: 0;
    box-sizing: border-box;
    display: inline-block;
    width: 100%;
}
#ublock0-epicker section > div:first-child {
    border: 1px solid var(--surface-3);
    margin: 0;
    position: relative;
}
#ublock0-epicker section.invalidFilter > div:first-child {
    border-color: var(--error-surface);
}
#ublock0-epicker section .codeMirrorContainer {
    border: none;
    box-sizing: border-box;
    height: 8em;
    max-height: 50vh;
    min-height: 1em;
    padding: 2px;
    width: 100%;
    }
.CodeMirror-lines,
.CodeMirror pre {
    padding: 0;
    }

#ublock0-epicker section .resultsetWidgets {
    display: flex;
    font-size: var(--font-size-smaller);
    }
#resultsetModifiers {
    align-items: flex-end;
    display: inline-flex;
    flex-grow: 1;
    justify-content: space-evenly;
    }
#resultsetModifiers.hide > * {
    visibility: hidden;
    }
.resultsetModifier {
    border: 0;
    pointer-events: auto;
    position: relative;
    width: 40%;
    }
.resultsetModifier > span {
    align-items: flex-end;
    display: flex;
    height: 100%;
    pointer-events: none;
    width: 100%;
    }
.resultsetModifier > span > span {
    margin: 2px 0;
    }
.resultsetModifier  > span > span:nth-of-type(1) {
    background-color: var(--checkbox-checked-ink);
    border-inline-end: 1px solid var(--surface-3);
    display: inline-block;
    flex-shrink: 0;
    height: 6px;
    }
.resultsetModifier  > span > span:nth-of-type(2) {
    background-color: var(--checkbox-checked-ink);
    clip-path: polygon(
        calc(50% - 2px) 0%,
        0% calc(100% - 6px),
        0% 100%,
        100% 100%,
        100% calc(100% - 6px),
        calc(50% + 2px) 0%
    );
    display: inline-block;
    flex-shrink: 0;
    height: 16px;
    width: 16px;
    }
.resultsetModifier  > span > span:nth-of-type(3) {
    background-color: var(--surface-3);
    border-inline-start: 1px solid var(--surface-3);
    display: inline-block;
    flex-grow: 1;
    height: 6px;
    }
.resultsetModifier input {
    border: 0;
    height: 100%;
    left: 0;
    margin: 0;
    opacity: 0;
    padding: 0;
    position: absolute;
    top: 0;
    width: 100%;
    }
#resultsetCount {
    align-items: center;
    background-color: var(--surface-3);
    color: var(--ink-1);
    display: inline-flex;
    justify-content: center;
    min-width: 2.2em;
    }
#ublock0-epicker section.invalidFilter #resultsetCount {
    background-color: var(--error-surface);
    color: var(--ink-100);
}
#ublock0-epicker section > div:first-child + div {
    direction: ltr;
    margin: 2px 0;
    text-align: right;
}
#ublock0-epicker ul {
    padding: 0;
    list-style-type: none;
    text-align: left;
    overflow: hidden;
}
#ublock0-epicker #candidateFilters {
    max-height: 14em;
    overflow-y: auto;
}
#ublock0-epicker #candidateFilters > li:first-of-type {
    margin-bottom: 0.5em;
}
#ublock0-epicker .changeFilter > li > span:nth-of-type(1) {
    font-weight: bold;
}
#ublock0-epicker .changeFilter > li > span:nth-of-type(2) {
    font-size: smaller;
    color: gray;
}
#ublock0-epicker #candidateFilters .changeFilter {
    list-style-type: none;
    margin: 0 0 0 1em;
    overflow: hidden;
    text-align: left;
}
#ublock0-epicker #candidateFilters .changeFilter li {
    border: 1px solid transparent;
    cursor: pointer;
    direction: ltr;
    font: 12px monospace;
    white-space: nowrap;
}
#ublock0-epicker #candidateFilters .changeFilter li.active {
    border: 1px dotted rgb(var(--blue-50));
    }
#ublock0-epicker #candidateFilters .changeFilter li:hover {
    background-color: var(--surface-2);
}

/**
    https://github.com/gorhill/uBlock/issues/3449
    https://github.com/uBlockOrigin/uBlock-issues/issues/55
**/
@keyframes startDialog {
  0% { opacity: 1.0; }
  60% { opacity: 1.0; }
  100% { opacity: 0.1; }
}
#ublock0-epicker.paused aside {
    opacity: 0.1;
    visibility: visible;
    z-index: 100;
}
#ublock0-epicker.paused:not(.show):not(.hide) aside:not(:hover) {
    animation-duration: 1.6s;
    animation-name: startDialog;
    animation-timing-function: linear;
}
#ublock0-epicker.paused aside:hover {
    opacity: 1;
}
#ublock0-epicker.paused.show aside {
    opacity: 1;
}
#ublock0-epicker.paused.hide aside {
    opacity: 0.1;
}

#ublock0-epicker svg {
    cursor: crosshair;
    box-sizing: border-box;
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
}
#ublock0-epicker.paused svg {
    cursor: not-allowed;
}
#ublock0-epicker svg > path:first-child {
    fill: rgba(0,0,0,0.5);
    fill-rule: evenodd;
}
#ublock0-epicker svg > path + path {
    stroke: #F00;
    stroke-width: 0.5px;
    fill: rgba(255,63,63,0.20);
}
#ublock0-epicker.zap svg > path + path {
    stroke: #FF0;
    stroke-width: 0.5px;
    fill: rgba(255,255,63,0.20);
}
#ublock0-epicker.preview svg > path {
    fill: rgba(0,0,0,0.10);
}
#ublock0-epicker.preview svg > path + path {
    stroke: none;
}