una/studio/template/css/settings.css

div.bx-stg-mixes {
	position: relative;
	white-space: nowrap;
}
div.bx-stg-mixes div.bx-sm-cell {
	position: relative;
}
div.bx-stg-mixes div.bx-sm-cell.bx-sm-select {
	float: left;
	width: 50%;
}
div.bx-stg-mixes div.bx-sm-cell.bx-sm-new {
	float: right;
	width: 50%;

	text-align: right;
}

div.bx-stg-mixes div.bx-sm-cell select {
	width: auto;
}

div.bx-stg-mixes div.bx-sm-cell .bx-btn {
	display: inline-block;
	float: none;
	vertical-align: middle;
}