.single_preview_portale
{
    margin-bottom:40px;
}
.preview_img_portale
{
    padding-top:120%;
    background-color: #eee;
}
.single_preview_portale:not(:hover) .preview_img_portale img {
	max-width: calc(100% - 30px);
	max-height: calc(100% - 30px);
}
.single_preview_portale .preview_img_portale img {
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}

.preview_linkto_portale .button_website {
	padding: 10px 0;
	font-size: 10px;
	line-height: 10px;
	color: #000;
	background-color: transparent;
}
.preview_linkto_portale .button_website i
{
    margin-left: 15px;
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}
.single_preview_portale:hover .preview_linkto_portale .button_website i
{
	margin-left: 25px;
}

.preview_alltitle_portale
{
    margin-top: 15px;
}
.preview_maintitle_portale {
	font-size: 1.8rem;
	line-height: 1.8rem;
}

.single_preview_portale:hover .preview_linkto_portale .button_website
{
	color: orange;
}