vanillaSelectBox.css

.hidden-search {
	display: none !important;
}

.vsb-menu{
  cursor:pointer;
  z-index:1000;
	display:block;
	visibility: hidden;
  position:absolute;/*Don't change*/
  border:1px solid #B2B2B2;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid rgba(0,0,0,.15);
  box-shadow: 0 6px 12px rgba(0,0,0,.175);
  border-radius:4px;
  font-size : 11px;
}

.vsb-js-search-zone{
	position:absolute;/*Don't change*/
    z-index:1001;
	width: 80%;
	min-height:1.8em;
	padding: 2px;
	background-color: #fff;
}

.vsb-js-search-zone input{
	border: 1px solid grey;
	margin-left: 2px;
	width: 96%;
	border-radius: 4px;
	height: 25px !important;
}

.vsb-main{
	position: relative;/*Don't change*/
	display: inline-block;
	vertical-align: middle;
	text-align:left;
}

.vsb-menu li{
	display: list-item;
	font-size: 12px;
	background-color: #fff;
	min-height:1.4em;
	padding: 0.2em;
}

.vsb-menu li:hover {
	background: linear-gradient(#f5f5f5, #e8e8e8);
}

.vsb-menu ul{
	user-select:none;
	list-style:none;
	white-space: nowrap;
	margin:0px;
	margin-top:4px;
	padding-left:10px;
	padding-right:10px;
	padding-bottom:3px;
	color: #333;
	cursor:pointer;
	overflow-y:auto;
}

li.disabled{
	cursor:not-allowed;
	opacity:0.3;
	background-color: #999;
}

.vsb-main button{
	min-width: 120px;
	border-radius: 0;
	width: 100%;
	text-align: left;
	z-index: 1;
	color: #333;
	background: white !important;
	border: 1px solid #999 !important;
	line-height:20px;
	font-size:14px;
	padding:6px 12px;
}

.vsb-main button.disabled{
	cursor:not-allowed;
	opacity:0.65;
}

.vsb-main .title {
	margin-right: 6px;
	user-select:none;
}

.vsb-main li:hover {
	background: linear-gradient(#f5f5f5, #e8e8e8);
}

.vsb-main ul{
	white-space: nowrap;
}

.vsb-menu li {
	font-size: 14px;
	background-color: #fff;
	min-height:1.4em;
	padding: 0.2em 2em 0.2em 1em;
}

.vsb-menu li.grouped-option {
	font-weight: bold;
	font-size: 15px;
	padding-left: 5px;
}

.vsb-menu :not(.multi) li.active::before {
	content: "";
	display: inline-block;
	font-size: inherit;
	float:left;
	margin-left:-16px;
	transform: rotate(45deg);
	height: 10px;
	width:  5px;
	border-bottom:  3px solid black;
	border-right:  3px solid black;
	border-radius:2px;
}

.vsb-menu .multi li {
	font-size: 14px;
	background-color: #fff;
	min-height:1.4em;
	padding: 0.2em 2em 0.2em 26px;
}

.vsb-menu .multi li.grouped-option {
	font-weight: bold;
	font-size: 15px;
	padding-left: 5px;
}

.vsb-menu .multi li:not(.grouped-option)::before{
	content: "";
	display: inline-block;
	font-size: inherit;
	float:left;
	font-weight:bold;
	margin-left:-22px;
	margin-right:2px;
	border : 1px solid;
	border-radius : 3px;
	padding : 7px;
	margin-top:0px;
	color:black;
}

.vsb-menu .multi li.active::after {
	content: "";
	display: inline-block;
	font-size: inherit;
	color: #333;
	float:left;
	margin-left:-18px;
	display: inline-block;
	transform: rotate(45deg);
	margin-top:1px;
	height: 8px;
	width:  5px;
	border-bottom: 3px solid black;
	border-right:  3px solid black;
}

.caret {
	display: inline-block;
	width: 0;
	height: 0;
	margin-left: 2px;
	vertical-align: middle;
	border-top: 4px dashed;
	border-top: 4px solid;
	border-right: 4px solid transparent;
	border-left: 4px solid transparent;
}