.CodeMirror-hints {
    position: absolute;
    z-index: 10;
    overflow: hidden;
    list-style: none;

    margin: 0;
    padding: 2px;

    -webkit-box-shadow: 2px 3px 5px rgba(0, 0, 0, .2);
    -moz-box-shadow: 2px 3px 5px rgba(0, 0, 0, .2);
    box-shadow: 2px 3px 5px rgba(0, 0, 0, .2);
    border-radius: 3px;
    border: 1px solid silver;

    background: white;
    font-size: 90%;
    font-family: monospace;

    max-height: 20em;
    overflow-y: auto;
}

.CodeMirror-hint {
    margin: 0;
    padding: 0 4px;
    border-radius: 2px;
    white-space: pre;
    color: black;
    cursor: pointer;
}

li.CodeMirror-hint-active {
    background: #08f;
    color: white;
}