paper.css

/* BASICS */

.CodeMirror {
  height: 300px;
}
.CodeMirror-scroll {
  /* Set scrolling behaviour here */
  overflow: auto;
}

/* PADDING */

.CodeMirror-lines {
  padding: 4px 0; /* Vertical padding around content */
}
.CodeMirror pre {
  padding: 0 4px; /* Horizontal padding of content */
}

.CodeMirror-scrollbar-filler {
  background-color: white; /* The little square between H and V scrollbars */
}

/* CURSOR */
.CodeMirror div.CodeMirror-cursor {
  border-left: 1px solid black;
  z-index: 3;
}
/* Shown when moving in bi-directional text */
.CodeMirror div.CodeMirror-secondarycursor {
  border-left: 1px solid silver;
}
.CodeMirror.cm-keymap-fat-cursor div.CodeMirror-cursor {
  width: auto;
  border: 0;
  background: #7e7;
  z-index: 1;
}
/* Can style cursor different in overwrite (non-insert) mode */
.CodeMirror div.CodeMirror-cursor.CodeMirror-overwrite {}

/* DEFAULT THEME */

.cm-s-paper .cm-keyword {color: #555;}
.cm-s-paper .cm-atom {color: #7f8c8d;}
.cm-s-paper .cm-number {color: #7f8c8d;}
.cm-s-paper .cm-def {color: #00f;}
.cm-s-paper .cm-variable {color: black;}
.cm-s-paper .cm-variable-2 {color: #555;}
.cm-s-paper .cm-variable-3 {color: #085;}
.cm-s-paper .cm-property {color: black;}
.cm-s-paper .cm-operator {color: black;}
.cm-s-paper .cm-comment {color: #959595;}
.cm-s-paper .cm-string {color: #7f8c8d;}
.cm-s-paper .cm-string-2 {color: #f50;}
.cm-s-paper .cm-meta {color: #555;}
.cm-s-paper .cm-error {color: #f00;}
.cm-s-paper .cm-qualifier {color: #555;}
.cm-s-paper .cm-builtin {color: #555;}
.cm-s-paper .cm-bracket {color: #997;}
.cm-s-paper .cm-tag {color: #7f8c8d;}
.cm-s-paper .cm-attribute {color: #7f8c8d;}
.cm-s-paper .cm-header {color: #000;}
.cm-s-paper .cm-quote {color: #888;}
.cm-s-paper .cm-hr {color: #999;}
.cm-s-paper .cm-link {color: #7f8c8d;}

.cm-negative {color: #d44;}
.cm-positive {color: #292;}
.cm-header, .cm-strong {font-weight: bold;}
.cm-em {font-style: italic;}
.cm-link {text-decoration: underline;}

.cm-invalidchar {color: #f00;}

div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;}
div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;}


/* STOP */

/* The rest of this file contains styles related to the mechanics of
   the editor. You probably shouldn't touch them. */

.CodeMirror {
  position: relative;
  overflow: hidden;
}

.CodeMirror-scroll {
  /* 30px is the magic margin used to hide the element's real scrollbars */
  /* See overflow: hidden in .CodeMirror, and the paddings in .CodeMirror-sizer */
  margin-bottom: -30px; margin-right: -30px;
  padding-bottom: 30px; padding-right: 30px;
  height: 100%;
  outline: none; /* Prevent dragging from highlighting the element */
  position: relative;
}
.CodeMirror-sizer {
  position: relative;
}

/* The fake, visible scrollbars. Used to force redraw during scrolling
   before actuall scrolling happens, thus preventing shaking and
   flickering artifacts. */
.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler {
  position: absolute;
  z-index: 6;
  display: none;
}
.CodeMirror-vscrollbar {
  right: 0; top: 0;
  overflow-x: hidden;
  overflow-y: scroll;
}
.CodeMirror-hscrollbar {
  bottom: 0; left: 0;
  overflow-y: hidden;
  overflow-x: scroll;
}
.CodeMirror-scrollbar-filler {
  right: 0; bottom: 0;
  z-index: 6;
}

.CodeMirror-lines {
  cursor: text;
}
.CodeMirror pre {
  /* Reset some styles that the rest of the page might have set */
  -moz-border-radius: 0; -webkit-border-radius: 0; -o-border-radius: 0; border-radius: 0;
  border-width: 0;
  background: transparent;
  font-family: inherit;
  font-size: inherit;
  margin: 0;
  white-space: pre-wrap;
  word-wrap: normal;
  line-height: inherit;
  color: inherit;
  z-index: 2;
  position: relative;
  overflow: visible;
}
.CodeMirror-wrap pre {
  word-wrap: break-word;
  white-space: pre-wrap;
  word-break: normal;
}
.CodeMirror-linebackground {
  position: absolute;
  left: 0; right: 0; top: 0; bottom: 0;
  z-index: 0;
}

.CodeMirror-linewidget {
  position: relative;
  z-index: 2;
  overflow: auto;
}

.CodeMirror-widget {
  display: inline-block;
}

.CodeMirror-wrap .CodeMirror-scroll {
  overflow-x: hidden;
}

.CodeMirror-measure {
  position: absolute;
  width: 100%; height: 0px;
  overflow: hidden;
  visibility: hidden;
}
.CodeMirror-measure pre { position: static; }

.CodeMirror div.CodeMirror-cursor {
  position: absolute;
  visibility: hidden;
  border-right: none;
  width: 0;
}
.CodeMirror-focused div.CodeMirror-cursor {
  visibility: visible;
}

.CodeMirror-selected { background: #d9d9d9; }
.CodeMirror-focused .CodeMirror-selected { background: #BDC3C7; }

.cm-searching {
  background: #ffa;
  background: rgba(255, 255, 0, .4);
}

/* IE7 hack to prevent it from returning funny offsetTops on the spans */
.CodeMirror span { *vertical-align: text-bottom; }

@media print {
  /* Hide the cursor when printing */
  .CodeMirror div.CodeMirror-cursor {
    visibility: hidden;
  }
}