*::after, *::before {
    box-sizing: border-box;
}
.ms-options-wrap {
    position: relative;
	display:inline-block;
    width: 600px;
}

.ms-options-wrap > button:focus,
.ms-options-wrap > button {
    position: relative;
    width: 600px;
    text-align: left;
    border: 1px solid #aaa;
    background-color: #fff;
    padding: 2px 2px 2px 2px;
    margin-top: 1px;
    font-size: 11pt;
    color: #999;
    outline: none;
    white-space: nowrap;
	overflow:hidden;
}

.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 > ul {
    position: absolute;
    left: 0;
    width: 600px;
	margin:0;
	padding:0;
    margin-top: 1px;
    background: white;
    z-index: 8000;
    border: 1px solid #aaa;
	list-style-type: none;
}

.ms-options-wrap > ul > li {
    width: 180px;
	display:inline-block;
	line-height:1em;
	margin:0;
}
.ms-options-wrap > ul > li.optgroup {
    padding: 5px;
}
.ms-options-wrap > ul > li.optgroup + li.optgroup {
    border-top: 1px solid #aaa;
}

.ms-options-wrap > ul > li.optgroup .label {
    padding: 5px 0 0 0;
    font-weight: bold;
}

.ms-options-wrap > ul label {
    position: relative;
    display: inline-block;
    width: 180px;
    padding: 4px !important;
	padding-left: 20px !important;
    margin: 1px 0;
	top:-3px;
    box-sizing: border-box;
    font-size: 11pt;
}
.ms-options-wrap > ul label.atwork {
	background-image:none;
}

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

.ms-options-wrap > ul input[type="checkbox"] {
    margin-right: 10px;
    position: absolute;
    left: 2px;
    top: 3px;
}