#about{
	height:auto;
	margin-left: 20px;
	margin-right: 20px;
	text-align: center;
	top:10px;
}

#pres {
	text-align:justify;
}

.work_image {
	width: 160px;
	margin-bottom:20px;
	display:inline-block;
	text-align: center;
}

.works_ico {
	height: 120px;
	width: 120px;
	margin: 10px auto;
}

#risc{
	background: rgba(255, 0, 0, 0.3);

}

#sani{
	background: rgba(18, 127, 255, 0.3);

}

#latt{
	background: rgba(243, 88, 36, 0.3);
}

#venti{
	background: rgba(0, 195, 0, 0.3);

}

#altro{
	background: rgba(123, 131, 123, 0.3);
}


.work_description {
	text-align: justify;
	position: absolute;
	top:0;
	bottom:0;
	background: rgb(255, 255, 255);
	padding:30px;
}

#desc_sani {
	display: none;
}

#desc_risc {
	display: none;
}

#desc_latt {
	display: none;
}

#desc_venti{
	display: none;
}

#desc_altro {
	display: none;
}