@keyframes spin{

		from{

			transform: rotate(0deg);

		}

		to{

		transform: rotate(359deg);	

		}

}
#cont_login {

    position:relative;

}
#mod_ingresando {

	top: 0;
	left:0;
	width: 100%;
	height: 100%;
	position: absolute;
	background: rgba(240,240,240,0.8);
	text-align: center;
	justify-content: space-around;
}

#mod_ingresando span{
	display: flex;
	flex-direction: column;
	margin:auto;
	width: 30%;

}

#mod_ingresando span i {
	font-size: 50px;
	animation: spin 1.5s infinite linear;
	margin-top: 140px;

}