.spinner {
    display: inline-block;
    margin: 0 auto;
    height: 70px;
    width: 70px;
    border-bottom: solid 5px rgb(255,255,255);
    border-right: solid 5px transparent;
    border-left: solid 5px transparent;
    border-top: solid 5px transparent;
    border-radius: 50%;
    -webkit-animation: spin .5s linear infinite;
       -moz-animation: spin .5s linear infinite;
         -o-animation: spin .5s linear infinite;
            animation: spin .5s linear infinite;
	}

.spinner.medio {
    height: 50px;
    width: 50px;
    }

.spinner.chico {
    height: 25px;
    width: 25px;
    border-width: 3px;
    }

.spinner.chico-x {
    height: 15px;
    width: 15px;
    border-width: 2px;
    }

.spinner.completo {
    border-bottom-color: rgba(255,255,255,1);
    border-right-color: rgba(255,255,255,0.4);
    border-left-color: rgba(255,255,255,0.4);
    border-top-color: rgba(255,255,255,0.4);
}

.spinner.gris {
    border-bottom-color: rgb(222, 227, 230);
}

.spinner.gris.completo {
    border-bottom-color: rgba(222, 227, 230,1);
    border-right-color: rgba(222, 227, 230,0.4);
    border-left-color: rgba(222, 227, 230,0.4);
    border-top-color: rgba(222, 227, 230,0.4);
}

.spinner.jcover {
    border-bottom-color: rgba(100,100,100,1);
    border-right-color: rgba(0,0,0,0.1);
    border-left-color: rgba(0,0,0,0.1);
    border-top-color: rgba(0,0,0,0.1);
}

.spinner.jcover.claro {
    border-bottom-color: rgba(220,220,220,1);
    border-right-color: rgba(220,220,220,0.1);
    border-left-color: rgba(220,220,220,0.1);
    border-top-color: rgba(220,220,220,0.1);
}

/* Keyframes */

	@-webkit-keyframes spin {
	    from {-webkit-transform: rotateZ(0deg);}
	    to {-webkit-transform: rotateZ(359deg);}
	}

	@-moz-keyframes spin {
	    from {-moz-transform: rotateZ(0deg);}
	    to {-moz-transform: rotateZ(359deg);}
	}

	@-o-keyframes spin {
	    from {-o-transform: rotateZ(0deg);}
	    to {-o-transform: rotateZ(359deg);}
	}

	@keyframes spin {
	    from {transform: rotateZ(0deg);}
	    to {transform: rotateZ(359deg);}
	}