.ms-options-wrap,
.ms-options-wrap * {
    box-sizing: border-box;
}

    .ms-options-wrap > button:focus,
    .ms-options-wrap > button {
        position: relative;
        width: 100%;
        text-align: left;
        border: 1px solid #aaa;
        background-color: #fff;
        padding: 2px 5px 2px 2px;
        margin-top: 1px;
        font-size: 10px;
        color: #999;
        outline: none;
        white-space: nowrap;
    }

        .ms-options-wrap > button[disabled] {
            background-color: #e5e9ed;
            color: #808080;
            opacity: 0.6;
        }

        .ms-options-wrap > button:after {
            content: ' ';
            height: 0;
            position: absolute;
            top: 50%;
            right: 5px;
            width: 0;
            border: 6px solid rgba(0, 0, 0, 0);
            border-top-color: #999;
            margin-top: -3px;
        }

    .ms-options-wrap > .ms-options {
        position: absolute;
        left: 0;
        width: 100%;
        margin-top: 1px;
        margin-bottom: 20px;
        background: white;
        z-index: 2000;
        border: 1px solid #aaa;
        overflow: auto;
        visibility: hidden;
    }

        .ms-options-wrap > .ms-options.ms-active {
            visibility: visible
        }

        .ms-options-wrap > .ms-options > .ms-search input {
            width: 100%;
            padding: 4px 5px;
            border: none;
            border-bottom: 1px groove;
            outline: none;
        }

        .ms-options-wrap > .ms-options .ms-selectall {
            display: inline-block;
            font-size: .9em;
            text-transform: lowercase;
            text-decoration: none;
        }

            .ms-options-wrap > .ms-options .ms-selectall:hover {
                text-decoration: underline;
            }

        .ms-options-wrap > .ms-options > .ms-selectall.global {
            margin: 4px 5px;
        }

        .ms-options-wrap > .ms-options > ul,
        .ms-options-wrap > .ms-options > ul > li.optgroup ul {
            list-style-type: none;
 
            padding: 0;
            margin: 0;
        }

            .ms-options-wrap > .ms-options > ul li.ms-hidden {
                display: none;
            }

            .ms-options-wrap > .ms-options > ul > li.optgroup {
                padding: 5px;

            }

                .ms-options-wrap > .ms-options > ul > li.optgroup + li.optgroup {
                    border-top: 1px solid #aaa;
                }

                .ms-options-wrap > .ms-options > ul > li.optgroup .label {
                    display: block;
                    padding: 5px 0 0 0;
                    font-size: 10px;
                    text-decoration: none;
                }

            .ms-options-wrap > .ms-options > ul label {
                position: relative;
                display: inline-block;
                font-size: 10px !important;
                text-decoration: none !important;
                width: 100%;
                padding: 4px;
                margin: 1px 0;
                border: 1px dotted transparent;
            }

                .ms-options-wrap > .ms-options > ul label.focused,
                .ms-options-wrap > .ms-options > ul label:hover {
                    background-color: #efefef;
                    border-color: #999;
                }

            .ms-options-wrap > .ms-options > ul li.selected label {
                background-color: #efefef;
                border-color: transparent;
            }

            .ms-options-wrap > .ms-options > ul input[type="checkbox"] {
                margin: 0 5px 0 0;
                position: absolute;
                left: 4px;
                top: 4px;
            }

        .ms-options-wrap > .ms-options.hide-checkbox > ul input[type="checkbox"] {
            position: absolute !important;
            height: 1px;
            width: 1px;
            overflow: hidden;
            clip: rect(1px 1px 1px 1px);
            clip: rect(1px, 1px, 1px, 1px);
        }