.ms-options-wrap {
    position: relative;
}

    .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: 5px 20px 5px 5px;
            margin-top: 1px;
            font-size: 13px;
            color: #aaa;
            outline-offset: -2px;
            white-space: nowrap;
        }

            .ms-options-wrap > button > span {
                display: inline-block;
            }

            .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-has-selections > button {
            color: #333;
        }

        .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-active > .ms-options {
            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-weight: bold;
                }

            .ms-options-wrap > .ms-options > ul label {
                position: relative;
                display: inline-block;
                width: 100%;
                padding: 4px 4px 4px 20px;
                margin: 1px 0;
                border: 1px dotted transparent;
            }

        .ms-options-wrap > .ms-options.checkbox-autofit > ul label,
        .ms-options-wrap > .ms-options.hide-checkbox > ul label {
            padding: 4px;
        }

        .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: 7px;
        }

        .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);
        }