Source/WebCore/inspector/front-end/cm/cmdevtools.css

.CodeMirror * {
  -webkit-box-sizing: content-box;
}

.CodeMirror {
  line-height: 1.2em !important;
  height: 100% !important;
}

.CodeMirror-linenumber {
  padding-top: 1px !important;
  min-width: 22px !important;
}

.cm-highlight {
  -webkit-animation: "fadeout" 2s 0s;
}
@-webkit-keyframes fadeout {
    from {background-color: rgb(255, 255, 120); }
    to { background-color: white; }
}
.cm-breakpoint {
  color: white;
  position: absolute;
  right: 3px;
  margin: 0 -8px 0 -6px !important;
  border-width: 0 8px 0px 2px !important;
  -webkit-border-image: url(Images/breakpointBorder.png) 1 14 1 2;
  padding: 0 0 1px 100px;
}
.cm-breakpoint-disabled {
  opacity: 0.5;
}

.CodeMirror-matchingbracket {
  border-bottom: 1px solid black;
  color: black !important;
}

.CodeMirror-nonmatchingbracket {
  color: black !important;
}

.cm-breakpoint-conditional {
  -webkit-border-image: url(Images/breakpointConditionalBorder.png) 1 14 1 2;
}

.cm-execution-line {
    background-color: rgb(171, 191, 254) !important;
    outline: 1px solid rgb(64, 115, 244);
}

.cm-token-highlight {
    position: relative;
}

.cm-token-highlight:before {
    position: absolute;
    border: 1px solid gray;
    border-radius: 3px;
    top: 0px;
    bottom: 0px;
    left: 0px;
    right: 0px;
    content: "";
}

.cm-line-with-selection .cm-column-with-selection:before {
    border: 0px;
}

.cm-s-web-inspector-js span.cm-keyword {color: rgb(170, 13, 145);}
.cm-s-web-inspector-js span.cm-number {color: rgb(28, 0, 207);}
.cm-s-web-inspector-js span.cm-comment {color: rgb(0, 116, 0);}
.cm-s-web-inspector-js span.cm-string {color: rgb(196, 26, 22);}
.cm-s-web-inspector-js span.cm-string-2 {color: rgb(196, 26, 22);}

.cm-s-web-inspector-css span.cm-keyword { color: rgb(7, 144, 154);}
.cm-s-web-inspector-css span.cm-number {color: rgb(50, 0, 255);}
.cm-s-web-inspector-css span.cm-comment {color: rgb(0, 116, 0);}
.cm-s-web-inspector-css span.cm-meta {color: rgb(200, 0, 0);}
.cm-s-web-inspector-css span.cm-atom {color: rgb(7, 144, 154);}
.cm-s-web-inspector-css span.cm-string {color: rgb(7, 144, 154);}
.cm-s-web-inspector-css span.cm-string-2 {color: rgb(7, 144, 154);}
.cm-s-web-inspector-css span.cm-link {color: rgb(7, 144, 154);}
.cm-s-web-inspector-css span.cm-variable {color: rgb(200, 0, 0);}

.cm-s-web-inspector-html span.cm-meta {color: rgb(192, 192, 192);}
.cm-s-web-inspector-html span.cm-comment {color: rgb(35, 110, 37);}
.cm-s-web-inspector-html span.cm-string {color: rgb(26, 26, 166);}
.cm-s-web-inspector-html span.cm-tag {color: rgb(136, 18, 128);}
.cm-s-web-inspector-html span.cm-attribute {color: rgb(153, 69, 0);}
.cm-s-web-inspector-html span.cm-link {color: #00e;}

.CodeMirror .webkit-html-message-bubble {
    -webkit-box-shadow: black 0px 2px 5px;
    -webkit-border-radius: 9px;
    -webkit-border-fit: lines;
    font-size: 10px;
    font-family: Lucida Grande, sans-serif;
    font-weight: bold;
    margin: 3px 10px;
    padding: 1px 2px 0;
    z-index: 5;
}

.CodeMirror .webkit-html-message-bubble img {
    position: relative;
    top: 1px;
    margin-right: 2px;
}

.CodeMirror .webkit-html-warning-message {
    background-color: rgb(100%, 62%, 42%);
    border: 2px solid rgb(100%, 52%, 21%);
}

.CodeMirror .webkit-html-error-message {
    background-color: rgb(100%, 42%, 42%);
    border: 2px solid rgb(100%, 31%, 31%);
}