.slides .box {
	position:absolute;
	top:50%;
	transform:translateY(-50%);
	text-align:center;
	margin-left: auto;
	margin-right: auto;
	left: 0;
	right: 0;
	text-align:center;
	width:1198px;
}

.slides .box h2 {
	font-size:32px;
	display:inline-block;
	padding:20px 0px;
	width:100%;
	background:rgba(37, 144, 2, 0.8);
	text-transform:uppercase;
	color:#fff;
}

.slides p {
	background:rgba(225, 225, 225, 0.8);
	padding:20px 40px;
	font-size:24px;
	line-height:50px;
}

.content .main-boxes {
	width:100%;
	height:299.5px;
	margin:50px 0;
}

.content .main-boxes .main-box {
	width:25%;
	height:100%;
	background:#000;
	float:left;
	position:relative;
	transition:all 0.6s ease;
}

.content .main-boxes .main-box:first-of-type {
	background-image:url('../graph/konferencja.jpg');
}

.content .main-boxes .main-box:nth-of-type(2) {
	background-image:url('../graph/oferta.jpg');
}

.content .main-boxes .main-box:nth-of-type(3) {
	background-image:url('../graph/wspolpraca.jpg');
}

.content .main-boxes .main-box:nth-of-type(4) {
	background-image:url('../graph/panel.jpg');
}

.content .main-boxes .main-box h2 {
	color: black;
	text-align:center;
	text-transform:uppercase;
	font-size:34px;
	font-weight:bold;
	padding:10px 0;
	position:absolute;
	top:50%;
	left:50%;
	transform:translate(-50%,-50%);
	background-color:rgba(255,255,255,0.8);
	width:80%;
	-webkit-transition:width 0.4s ease;
	transition:width 0.4s ease;
}

.content .main-boxes .main-box:hover h2 {
	width:100%;
}