.grid_pi {
	float: left;
	/*width: 16.66%;
	height: 270px;*/
	overflow: hidden;
	margin-bottom: 20px;
	padding: 0 10px;
	position: relative;
}

.grid_pi a {
	display: block;
	width: 100%;
	height: 100%;
	float: left;
	position: relative;
	top: 0;
	left: 0;
}

.grid_pi img {
	display: block;
	width: 100%;
	height: 100%;
	border: 1px solid #ccc;
}

.grid_pi a .titulo_sp {
	opacity: 1;
	background: rgba(255, 255, 255, 0.6);
	color: #000;
}

.grid_pi a p {
	font-size: 0.85em;
	margin: 0;
	text-align: center;
	float: left;
	position: absolute;
	bottom: 0;
	left: 0;
	padding: 5px;
	width: 100%;
	overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 4; /* number of lines to show */
	line-height: X;        /* fallback */
	max-height: X*N;       /* fallback */
	opacity: 0;
}

.grid_pi a:hover p, .grid_pi a:hover {
	background: rgba(0, 0, 0, 0.6);
	color: #fff;
	opacity: 1;
}

.grid_pi a:hover img {
	border-color: #444;
}

.liga_autor {
	text-decoration: none;
	display: inline-block;
	color: #000;
}

.liga_autor:hover {
	text-decoration: none;
	color: #237da2;
}

.liga_autor:after {
	content: '';
	display: block;
	width: 100%;
	height: 1px;
	background: #237da2;
	transition: width .4s;
}

.liga_autor:hover:after {
   width: 0;
}