.caption {
	font-family: 'Open Sans', 'Helvetica Neue', Arial, sans-serif;
}

.caption-box {
	background-color: rgba(240, 95, 64, 0.7);
	position: absolute;
	bottom: 0%;
    left: 0;
    width: 100%;
	
	display: block;
	color: white; 
	text-align: center;
	
	-webkit-transition: all 0.35s;
    -moz-transition: all 0.35s;
    transition: all 0.35s;
}

.portfolio-box:hover .caption-box{
	font-size: 16pt;
}