.opencps-theme.ux select {
	background: transparent none;
	-webkit-appearance: none;
	-moz-appearance: none;
	outline: none;
	line-height: 20px;
	padding: 0 20px;
	border: 1px solid #e1e1e1;
	margin-bottom: 0
}

.opencps-theme.ux select:only-child {
	background: white
		url("../images/custom/nav_toolbar/select_arrow_gray.png") no-repeat
		scroll 97% center;
	border: 1px solid #e1e1e1 !important;
    margin: 0 10px 0 0;
    overflow: hidden;
}
.opencps-theme.ux select {
	background: transparent none;
	-webkit-appearance: none;
	-moz-appearance: none;
	outline: none;
	line-height: 20px;
	padding: 0 20px;
	border: 1px solid #e1e1e1;
	margin-bottom: 0
}

.opencps-theme.ux select:only-child {
	background: white
		url("../images/custom/nav_toolbar/select_arrow_gray.png") no-repeat
		scroll 97% center;
	border: 1px solid #e1e1e1 !important;
    margin: 0 10px 0 0;
    overflow: hidden;
}

.opencps-theme.ux select:nth-child(2n) {
	background: white
		url("../images/custom/nav_toolbar/select_arrow_gray.png") no-repeat
		scroll 97% center;
	border: 1px solid #e1e1e1 !important;
    margin: 0 10px 0 0;
    overflow: hidden;
}
Add css definition for select box
Add css definition for select box