.CodeMirror-merge {
    position: relative;
    border: 1px solid #ddd;
    white-space: pre;
  }
  
  .CodeMirror-merge, .CodeMirror-merge .CodeMirror {
    height: 350px;
  }
  
  .CodeMirror-merge-2pane .CodeMirror-merge-pane { width: 47%; }
  .CodeMirror-merge-2pane .CodeMirror-merge-gap { width: 6%; }
  .CodeMirror-merge-3pane .CodeMirror-merge-pane { width: 31%; }
  .CodeMirror-merge-3pane .CodeMirror-merge-gap { width: 3.5%; }
  
  .CodeMirror-merge-pane {
    display: inline-block;
    white-space: normal;
    vertical-align: top;
  }
  .CodeMirror-merge-pane-rightmost {
    position: absolute;
    right: 0px;
    z-index: 1;
  }
  
  .CodeMirror-merge-gap {
    z-index: 2;
    display: inline-block;
    height: 100%;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    overflow: hidden;
    border-left: 1px solid #ddd;
    border-right: 1px solid #ddd;
    position: relative;
    background: #f8f8f8;
  }
  
  .CodeMirror-merge-scrolllock-wrap {
    position: absolute;
    bottom: 0; left: 50%;
  }
  .CodeMirror-merge-scrolllock {
    position: relative;
    left: -50%;
    cursor: pointer;
    color: #555;
    line-height: 1;
  }
  .CodeMirror-merge-scrolllock:after {
    content: "\21db\00a0\00a0\21da";
  }
  .CodeMirror-merge-scrolllock.CodeMirror-merge-scrolllock-enabled:after {
    content: "\21db\21da";
  }
  
  .CodeMirror-merge-copybuttons-left, .CodeMirror-merge-copybuttons-right {
    position: absolute;
    left: 0; top: 0;
    right: 0; bottom: 0;
    line-height: 1;
  }
  
  .CodeMirror-merge-copy {
    position: absolute;
    cursor: pointer;
    color: #44c;
    z-index: 3;
  }
  
  .CodeMirror-merge-copy-reverse {
    position: absolute;
    cursor: pointer;
    color: #44c;
  }
  
  .CodeMirror-merge-copybuttons-left .CodeMirror-merge-copy { left: 2px; }
  .CodeMirror-merge-copybuttons-right .CodeMirror-merge-copy { right: 2px; }
  
  .CodeMirror-merge-r-inserted, .CodeMirror-merge-l-inserted {
    background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAACCAYAAACddGYaAAAAGUlEQVQI12MwuCXy3+CWyH8GBgYGJgYkAABZbAQ9ELXurwAAAABJRU5ErkJggg==);
    background-position: bottom left;
    background-repeat: repeat-x;
  }
  
  .CodeMirror-merge-r-deleted, .CodeMirror-merge-l-deleted {
    background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAACCAYAAACddGYaAAAAGUlEQVQI12M4Kyb2/6yY2H8GBgYGJgYkAABURgPz6Ks7wQAAAABJRU5ErkJggg==);
    background-position: bottom left;
    background-repeat: repeat-x;
  }
  
  .CodeMirror-merge-r-chunk { background: #ffffe0; }
  .CodeMirror-merge-r-chunk-start { border-top: 1px solid #ee8; }
  .CodeMirror-merge-r-chunk-end { border-bottom: 1px solid #ee8; }
  .CodeMirror-merge-r-connect { fill: #ffffe0; stroke: #ee8; stroke-width: 1px; }
  
  .CodeMirror-merge-l-chunk { background: #eef; }
  .CodeMirror-merge-l-chunk-start { border-top: 1px solid #88e; }
  .CodeMirror-merge-l-chunk-end { border-bottom: 1px solid #88e; }
  .CodeMirror-merge-l-connect { fill: #eef; stroke: #88e; stroke-width: 1px; }
  
  .CodeMirror-merge-l-chunk.CodeMirror-merge-r-chunk { background: #dfd; }
  .CodeMirror-merge-l-chunk-start.CodeMirror-merge-r-chunk-start { border-top: 1px solid #4e4; }
  .CodeMirror-merge-l-chunk-end.CodeMirror-merge-r-chunk-end { border-bottom: 1px solid #4e4; }
  
  .CodeMirror-merge-collapsed-widget:before {
    content: "(...)";
  }
  .CodeMirror-merge-collapsed-widget {
    cursor: pointer;
    color: #88b;
    background: #eef;
    border: 1px solid #ddf;
    font-size: 90%;
    padding: 0 3px;
    border-radius: 4px;
  }
  .CodeMirror-merge-collapsed-line .CodeMirror-gutter-elt { display: none; }