body{
    background: #fff; 
}

/*tarjeta 1*/
.card-header-first{
	margin-top:-40px;
    height: 120px;
	background: linear-gradient(60deg, #098aff, #76bea7); 
	/*box-shadow:1px 5px 15px #a2a2a2;
}

/*tarjeta 2*/
.card-header-second{
	box-shadow:1px 7px 15px #a2a2a2;
    margin:-25px -25px 0px -25px;
    height: 120px;
	background: linear-gradient(-90deg, #8E2DE2, #4A00E0); 
}

/*tarjeta 3*/
.card-header-third{
    margin-top:-25px;
    height: 120px;
	box-shadow:1px 5px 15px #a2a2a2;
    background: linear-gradient(-90deg, #11998e, #38ef7d); 
}
/*tarjeta 4*/
.card-header-fourth{
    margin-top:-25px;
    height: 120px;
	box-shadow:1px 5px 15px #a2a2a2;
    background: linear-gradient(-90deg, #11998e, #38ef7d); 
}
.card-section-fourth span i{
	padding:17px;
	margin:0px 10px;
	color:#fff;
	height:50px;
	width:50px;
	box-shadow:1px 6px 24px #d2d2d2;
	background: linear-gradient(-90deg, #11998e, #38ef7d); 
}

.card-header-fourth span i:hover,.card-section-fourth span i:hover{
	box-shadow:1px 1px 15px #000;
}

/*efecto shadows para todas las tarjetas*/
.card-section{
	box-shadow: 0 2px 5px 0 rgba(0,0,0,.16), 0 2px 10px 0 rgba(0,0,0,.12);
}
/*Para el efecto sombra al pasar por encima el mouse*/
.card-section:hover{
	box-shadow:1px 1px 20px #d2d2d2;
}