.CodeMirror {
    height: 200px;
    width: 500px;
    background-color: white;
}

.CodeMirror-activeline-background {
    background: #e8f2ff !important;
}

.CodeMirror-focused .cm-matchhighlight {
    background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAYAAABytg0kAAAAFklEQVQI12NgYGBgkKzc8x9CMDAwAAAmhwSbidEoSQAAAABJRU5ErkJggg==);
    background-position: bottom;
    background-repeat: repeat-x;
}

.CodeMirror-foldmarker {
    color: blue;
    text-shadow: #b9f 1px 1px 2px, #b9f -1px -1px 2px, #b9f 1px -1px 2px, #b9f -1px 1px 2px;
    font-family: arial;
    line-height: .3;
    cursor: pointer;
}
.CodeMirror-fullscreen {
    display: block;
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    z-index: 9999;
}