.portfolio-block .icon {
	width: 200px;
	height: 200px;
	display: inline-block;
	text-align: center;
	line-height: 104px;
	border: 3px solid #fff;
	border-radius: 50%;
	background-color: #f4782e;
}

.portfolio-block {
	text-align: center;
	background-color: rgba(250, 250, 250, 0.75);
	padding: 20px 5px;
	border-radius: 10px;
    margin: 0px 15px 30px 15px;
	width: 285px;
	display: inline-block;
    padding: 20px;
}

.portfolio-block .icon-drillitlogs {
	background-image: url(../img/icon-drillitlogs.jpg);
	background-position: center center;
}

.portfolio-block .icon-besson {
	background-image: url(../img/icon-besson.jpg);
	background-position: center center;
}

.portfolio-block .icon-rd {
	background-image: url(../img/icon-rd.jpg);
	background-position: center center;
}

.portfolio-block .icon-biona {
	background-image: url(../img/icon-biona.jpg);
	background-position: center center;
}

.portfolio-block .icon-vlig {
	background-image: url(../img/icon-vlig.jpg);
	background-position: center center;
}