div.center{
	width: 100%;
	margin: 10px auto 0px auto;
}
.center div{
	width: 500px;
	height: 250px;
	position: relative;
	display: inline-block;
	margin: 0 25px 15px 0;
}
.center >div:nth-child(1) p,.center >div:nth-child(2) p,
.center >div:nth-child(3) img,.center >div:nth-child(4) img
{
	position: absolute;
	top: 0;
	left: 0;
}
.center >div:nth-child(1) img,.center >div:nth-child(2) img,
.center >div:nth-child(3) p,.center >div:nth-child(4) p{
	position: absolute;
	top: 0;
	right: 0;
}
.center img,.center p{
	width: 250px;
	height: 250px;
	line-height: 250px;
}
.center >div >p a{
	font-size: 24px;
	color: #000000;
	letter-spacing: 0.5px;
}
.center p a:hover{
	color: #2B6CA3;
	transition: color 0.4s ease 0s;
}
.center >div:nth-child(1) p{
	background: #e4e4eb;			
}
.center >div:nth-child(2) p{
	background: #819ab3;
}
.center >div:nth-child(3) p{
	background: #6ea9ab;
}
.center >div:nth-child(4) p{
	background: #7ca9d7;
}