Twilight based Theme for Chrome DevTools by Rémy Bach

Custom.css

/**********************************************
 *
 * Twilight based Theme for Chrome DevTools by Rémy Bach
 *
 * Based off of the mnml Theme Michael P. Pfeiffer
 * Based on a Gist by Ben Truyman. Further attr:
 * https://gist.github.com/3040634
 *
 **********************************************/
#-webkit-web-inspector ::selection {
    background: #333;
    opacity: 1;
}

#-webkit-web-inspector #toolbar {
    background: -webkit-linear-gradient(#555555, #333333) !important;
    border-top: 5px solid #E9C062 !important;
    border-bottom: 1px solid #444444 !important;
    padding-top: 0 !important;
    height: 50px !important;
}

#-webkit-web-inspector #toolbar .toolbar-label {
    color: #ffffff !important;
}

#-webkit-web-inspector #toolbar .toggled-on .toolbar-label {
    color: #ffffff !important;
}

#-webkit-web-inspector #toolbar .toolbar-item {
    padding: 10px 15px !important;
}

#-webkit-web-inspector #toolbar .toolbar-item.toggleable.toggled-on {
    background: -webkit-linear-gradient(#444444, #333333) !important;
    padding: 10px 13px !important;
}

#-webkit-web-inspector .toolbar-item.close-left {
    margin-top: 1px !important;
}

#-webkit-web-inspector #toolbar-controls {
    margin-top: -4px !important;
}

#-webkit-web-inspector #toolbar-search-item {
    margin-top: 12px !important;
}

#-webkit-web-inspector #main {
    top: 50px !important;
}

#-webkit-web-inspector #search-results-matches {
    color: #eee !important;
    text-shadow: none !important;
}

#-webkit-web-inspector #search {
    background: #1d1f21 !important;
}

#-webkit-web-inspector .crumbs .crumb {
    display: none;
}

#-webkit-web-inspector .status-bar {
    border-color: #444444 !important;
    background: #1d1f21 !important;
}

#-webkit-web-inspector .status-bar-item {
    border-color: #444444 !important;
    -webkit-filter: grayscale(0.75);
    color: #666666 !important;
    text-shadow: none !important;
}

#-webkit-web-inspector .glyph {
    background-color: #666666 !important;
}

#-webkit-web-inspector .glyph.shadow {
    display: none;
}

#-webkit-web-inspector button.status-bar-item.toggled-on .glyph {
    background-color: #d9d9d9 !important;
}

#-webkit-web-inspector #error-warning-count {
    color: #666666 !important;
    margin-right: 5px;
}

#-webkit-web-inspector #error-count-img,
#-webkit-web-inspector #warning-count-img {
    opacity: .5;
    -webkit-filter: grayscale(0.5);
}

#-webkit-web-inspector .scope-bar li {
    margin: 1px 2px 0 !important;
    padding: 2px 5px !important;
    color: #666666 !important;
    text-shadow: none !important;
}

#-webkit-web-inspector .scope-bar li.selected,
#-webkit-web-inspector .scope-bar li:hover,
#-webkit-web-inspector .scope-bar li:active {
    color: #d9d9d9 !important;
    background: #333 !important;
}

#-webkit-web-inspector #console-messages {
    font-family: 'DroidSansMono', Menlo, monospace !important;
    background: #1d1f21;
}

#-webkit-web-inspector #console-messages a {
    color: #666 !important;
}

#-webkit-web-inspector #console-messages a:hover {
    color: #999 !important;
}

#-webkit-web-inspector .console-message {
    color: #F1F1F1 !important;
}

#-webkit-web-inspector .console-message,
#-webkit-web-inspector .console-user-command {
    border-bottom: 1px solid #444 !important;
}

#-webkit-web-inspector .console-user-command > .console-message-text {
    color: #C4C7C6 !important;
}

#-webkit-web-inspector .console-formatted-number {
    color: #D77F61 !important;
}

#-webkit-web-inspector .console-formatted-string {
    color: #8F9D6A !important;
}

#-webkit-web-inspector .console-formatted-object {
    color: #777777 !important;
}

#-webkit-web-inspector .console-formatted-function {
    color: #c5c8c6 !important;
}

#-webkit-web-inspector .console-formatted-regexp {
    color: #E9C062 !important;
}

#-webkit-web-inspector .console-group-messages .section .header .title {
    color: #F1F1F1 !important;
}

#-webkit-web-inspector .console-group-messages .section .header::before,
#-webkit-web-inspector .properties-tree li.parent::before {
    content: url(chrome-devtools://devtools/Images/treeRightTriangleWhite.png) !important;
}

#-webkit-web-inspector .console-group-messages .section.expanded .header::before,
#-webkit-web-inspector .properties-tree li.parent.expanded::before {
    content: url(chrome-devtools://devtools/Images/treeDownTriangleWhite.png) !important;
}

@-webkit-keyframes webkit-error-level {
    0% {
        color: #f77 !important;
    }

    50% {
        color: #f22 !important;
    }

    100% {
        color: #f77 !important;
    }
}

#-webkit-web-inspector .console-message-text {
    color: #c5c8c6;
}

#-webkit-web-inspector .console-error-level .console-message-text .title {
    color: #f66 !important;
    -webkit-animation-name: webkit-error-level;
    -webkit-animation-duration: 2s;
    -webkit-animation-iteration-count: infinite;
    -webkit-timing-function: ease-in-out;
}

#-webkit-web-inspector .console-user-command::before {
    background-image: url(data:image/png;base64,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) !important;
}

#-webkit-web-inspector #console-prompt {
    color: #F1F1F1 !important;
}

#-webkit-web-inspector #console-prompt::before {
    background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAyJpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuMC1jMDYwIDYxLjEzNDc3NywgMjAxMC8wMi8xMi0xNzozMjowMCAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvIiB4bWxuczp4bXBNTT0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL21tLyIgeG1sbnM6c3RSZWY9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9zVHlwZS9SZXNvdXJjZVJlZiMiIHhtcDpDcmVhdG9yVG9vbD0iQWRvYmUgUGhvdG9zaG9wIENTNSBNYWNpbnRvc2giIHhtcE1NOkluc3RhbmNlSUQ9InhtcC5paWQ6MjRGNTc2MTZDMTA2MTFFMDgwRUZGQ0JCMjgzMzU0MTYiIHhtcE1NOkRvY3VtZW50SUQ9InhtcC5kaWQ6MjRGNTc2MTdDMTA2MTFFMDgwRUZGQ0JCMjgzMzU0MTYiPiA8eG1wTU06RGVyaXZlZEZyb20gc3RSZWY6aW5zdGFuY2VJRD0ieG1wLmlpZDo5MzM3N0Y2MUMxMDUxMUUwODBFRkZDQkIyODMzNTQxNiIgc3RSZWY6ZG9jdW1lbnRJRD0ieG1wLmRpZDo5MzM3N0Y2MkMxMDUxMUUwODBFRkZDQkIyODMzNTQxNiIvPiA8L3JkZjpEZXNjcmlwdGlvbj4gPC9yZGY6UkRGPiA8L3g6eG1wbWV0YT4gPD94cGFja2V0IGVuZD0iciI/Plf0eOsAAAB4SURBVHjaYvz//z8DMYAFxph+BqyhA8qtQFaUacKIUAgFLkBsDMSCUMXvYRJMaApdgfgsEKcB8W6oJqwK30MVr4YqOgPEodgUgoASkkkgjfewKSyHmqIEdYIJlEZR6ILk606oonsYwQMEe6A+PQtlowBGYgMcIMAAF2wcFPVNZx8AAAAASUVORK5CYII=) !important;
    color: #c5c8c6 !important;
}

#-webkit-web-inspector .script-view,
#-webkit-web-inspector .properties-tree,
#-webkit-web-inspector .pane,
#-webkit-web-inspector .breakpoint-list li,
#-webkit-web-inspector .pane > .body .info {
    color: #CCC !important;
}

#-webkit-web-inspector .script-view,
#-webkit-web-inspector .text-editor-contents,
#-webkit-web-inspector .pane.expanded,
#-webkit-web-inspector #elements-content,
#-webkit-web-inspector .resource-view.json {
    background: #1d1f21 !important;
    font-size: 12px !important;
}

#-webkit-web-inspector .highlight {
    color: #F1F1F1;
}

#-webkit-web-inspector li.hovered:not(.selected) .selection {
    background: rgba(255, 255, 255, 0.2) !important;
}

#-webkit-web-inspector #elements-content .selected {
    background-color: #4C4F50 !important;
}

#-webkit-web-inspector .webkit-html-comment {
    color: #777777 !important;
}

#-webkit-web-inspector .webkit-html-tag {
    color: #CDA869 !important;
}

#-webkit-web-inspector .webkit-html-attribute-name {
    color: #F9EE98 !important;
}

#-webkit-web-inspector .webkit-html-attribute-value {
    color: #8F9D6A !important;
}

#-webkit-web-inspector .webkit-html-text-node .webkit-html-css-node {
    color: #c2c3c3 !important;
}

#-webkit-web-inspector .webkit-html-js-node {
    color: #c2c3c3 !important;
}

#-webkit-web-inspector .webkit-html-resource-link,
#-webkit-web-inspector .webkit-html-external-link {
    color: #8F9D6A !important;
}

#-webkit-web-inspector .webkit-css-comment {
    color: #777777 !important;
}

#-webkit-web-inspector .webkit-css-selector,
#-webkit-web-inspector .styles-selector {
    color: #F9EE98 !important;
}

#-webkit-web-inspector .webkit-css-property {
    color: #eec574 !important;
}

#-webkit-web-inspector .webkit-css-keyword {
    color: #F9EE98 !important;
}

#-webkit-web-inspector .webkit-css-number,
#-webkit-web-inspector .properties-tree .value {
    color: #D77F61 !important;
}

#-webkit-web-inspector .webkit-css-important,
#-webkit-web-inspector .webkit-css-at-rule {
    color: #8693A5 !important;
}

#-webkit-web-inspector .webkit-css-string {
    color: #8F9D6A !important;
}

#-webkit-web-inspector .webkit-css-url {
    color: #eec574 !important;
}

#-webkit-web-inspector .sidebar-separator {
    padding: 3px 5px 5px !important;
    background: #242729 !important;
    color: #b3b3b3 !important;
    text-shadow: none !important;
}

#-webkit-web-inspector .webkit-line-content,
#-webkit-web-inspector .webkit-javascript-ident {
    color: #FFF !important;
}

#-webkit-web-inspector .webkit-javascript-keyword {
    color: #F9EE98 !important;
}

#-webkit-web-inspector .webkit-javascript-comment {
    color: #777777 !important;
}

#-webkit-web-inspector .webkit-javascript-string {
    color: #8F9D6A !important;
}

#-webkit-web-inspector .webkit-javascript-number {
    color: #D77F61 !important;
}

#-webkit-web-inspector .webkit-javascript-regexp {
    color: #E9C062 !important;
}

#-webkit-web-inspector .section .properties .name,
#-webkit-web-inspector .event-properties .name {
    color: #82a1be !important;
}

#-webkit-web-inspector .editing {
    color: #c5c8c6 !important;
    background-color: #777 !important;
}

#-webkit-web-inspector .styles-section.read-only {
    background: #242729 !important;
}

#-webkit-web-inspector .styles-section,
#-webkit-web-inspector .subtitle {
    color: #777777 !important;
}

#-webkit-web-inspector .styles-sidebar-separator,
#-webkit-web-inspector .pane > .title {
    background-image: -webkit-linear-gradient(#555555, #333333) !important;
    border-top-color: #666 !important;
    border-bottom-color: #333 !important;
    color: #bbb !important;
    text-shadow: black 0 1px 0 !important;
    text-overflow: ellipsis !important;
}

#-webkit-web-inspector .pane > .title > button,
#-webkit-web-inspector .pane > .title > select {
    -webkit-filter: invert(1);
}

#-webkit-web-inspector .split-view-sidebar-right {
    background: #222 !important;
}

#-webkit-web-inspector .section > .header::before,
#-webkit-web-inspector .properties-tree li.parent::before,
#-webkit-web-inspector .event-bars .event-bar .header::before,
#-webkit-web-inspector .outline-disclosure li.parent::before,
#-webkit-web-inspector .styles-section.matched-styles .properties li.parent .expand-element {
    content: url(chrome-devtools://devtools/Images/treeRightTriangleWhite.png) !important;
}

#-webkit-web-inspector .styles-section .properties li.parent::before,
#-webkit-web-inspector .styles-section .properties li.parent.expanded::before {
    content: none !important;
}

#-webkit-web-inspector .styles-section.matched-styles .properties li.parent .expand-element {
    margin-right: 1px !important;
    margin-left: -5px !important;
    opacity: 0.6 !important;
}

#-webkit-web-inspector .section.expanded > .header::before,
#-webkit-web-inspector .properties-tree li.parent.expanded::before,
#-webkit-web-inspector .event-bars .event-bar.expanded .header::before,
#-webkit-web-inspector .outline-disclosure li.parent.expanded::before,
#-webkit-web-inspector .styles-section.matched-styles .properties li.parent.expanded .expand-element {
    content: url(chrome-devtools://devtools/Images/treeDownTriangleWhite.png) !important;
}

#-webkit-web-inspector .child-editing {
    color: #c5c8c6 !important;
}

#-webkit-web-inspector .section .properties .name,
#-webkit-web-inspector .event-properties .name {
    color: #82a1be !important;
}

#-webkit-web-inspector .styles-selector {
    color: #F9EE98 !important;
}

#-webkit-web-inspector .section .header {
    color: #CCC !important;
}

#-webkit-web-inspector .properties .value {
    color: #c2c3c3 !important;
}

#-webkit-web-inspector .metrics {
    color: #333 !important;
}

#-webkit-web-inspector .metrics .border {
    border-color: #FFF !important;
}

#-webkit-web-inspector .event-bars .event-bar .header .title {
    color: #969796 !important;
    text-shadow: none !important;
}

#-webkit-web-inspector .console-formatted-number {
    color: #D77F61 !important;
}

#-webkit-web-inspector .console-formatted-string {
    color: #8F9D6A !important;
}

#-webkit-web-inspector .console-formatted-object,
#-webkit-web-inspector .console-formatted-node,
#-webkit-web-inspector .console-formatted-array {
    color: #777777 !important;
}

#-webkit-web-inspector .console-formatted-function {
    color: #c5c8c6 !important;
}

#-webkit-web-inspector .console-formatted-regexp {
    color: #E9C062 !important;
}

#-webkit-web-inspector .styles-element-state-pane {
    background: #242729 !important;
}

#-webkit-web-inspector .placard:nth-of-type(2n) {
    background: #333 !important;
}

#-webkit-web-inspector .placard.selected {
    background-image: -webkit-linear-gradient(#E9C062, #6f2727) !important;
    border-top-color: #6f2727 !important;
}

#-webkit-web-inspector .placard .title {
    color: #CCC !important;
}

#-webkit-web-inspector .placard .subtitle {
    color: rgba(255, 255, 255, 0.7) !important;
}

#-webkit-web-inspector .popover {
    background-color: rgba(0, 0, 0, 0.9) !important;
    border: 10px solid rgba(0, 0, 0, 0.9) !important;
    border-radius: 10px !important;
    -webkit-border-image: none !important;
    margin-left: 10px !important;
}

#-webkit-web-inspector .popover .arrow {
    background-image: none !important;
    border-color: transparent transparent #000 transparent !important;
    border-style: solid;
    border-width: 10px;
    width: 0 !important;
    height: 0 !important;
    bottom: -2px !important;
    left: 0;
}

#-webkit-web-inspector .popover.bottom-left-arrow .arrow,
#-webkit-web-inspector .popover.bottom-right-arrow .arrow {
    border-color: #000 transparent transparent transparent !important;
}

#-webkit-web-inspector .popover.left-top-arrow .arrow,
#-webkit-web-inspector .popover.left-bottom-arrow .arrow {
    border-color: transparent #000 transparent transparent !important;
}

#-webkit-web-inspector .popover.right-top-arrow .arrow,
#-webkit-web-inspector .popover.right-bottom-arrow .arrow {
    border-color: transparent transparent #000 transparent !important;
}

#-webkit-web-inspector .popover .source-frame-popover-title {
    color: #c5c8c6 !important;
}

#-webkit-web-inspector .popover .source-frame-popover-tree {
    border-top-color: #444 !important;
}

#-webkit-web-inspector .custom-popup-vertical-scroll ::-webkit-scrollbar-track-piece:vertical:decrement,
#-webkit-web-inspector .custom-popup-vertical-scroll ::-webkit-scrollbar-track-piece:vertical:increment {
    background: #333 !important;
    border-radius: 5px !important;
}

#-webkit-web-inspector .webkit-execution-line.webkit-line-content {
    background-color: #242729 !important;
    outline: 1px solid #000000 !important;
}