#ref-filter > div 
{
	display: inline-block;
	vertical-align: top;
	/* max-width: calc(25% - 1em); */
	max-width: calc(100% / 3 - 1em);
	margin-right: 1em;
    margin-bottom: 0;
	width: 100%;
	position: relative;
}

#ref-filter > div:after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    position: absolute;
    right: 0;
    top: 1.25em;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid white;
}


#ref-filter > div > select
{
    width: 100%;
    background: none;
    color: white;
    font-size: 18px;
    line-height: 22px;
    border-top: 0;
    border-left: 0;
    border-right: 0;
}

#ref-filter select option { color: black !important; }

#ref-filter select:focus { background: none !important; }


@media screen and (max-width: 1023px)
{
	#ref-filter > div 
	{
    	max-width: calc(50% - 1em);
    	margin-bottom: 1em;
	}
}

@media screen and (max-width: 479px)
{
	#ref-filter > div 
	{
    	max-width: calc(100% - 1em);
    	margin-bottom: 1em;
	}
}