/**
 * ----------------------------------------
 * animation heartbeat 1 paso
 * ----------------------------------------
 */
.heartbeat {
    -webkit-animation: heartbeat 1.5s ease-in-out both;
    animation: heartbeat 1.5s ease-in-out both;
}

@-webkit-keyframes heartbeat {
    from {
        -webkit-transform: scale(1);
        transform: scale(1);
        -webkit-transform-origin: center center;
        transform-origin: center center;
        -webkit-animation-timing-function: ease-out;
        animation-timing-function: ease-out;
    }

    10% {
        -webkit-transform: scale(0.91);
        transform: scale(0.91);
        -webkit-animation-timing-function: ease-in;
        animation-timing-function: ease-in;
    }

    17% {
        -webkit-transform: scale(0.98);
        transform: scale(0.98);
        -webkit-animation-timing-function: ease-out;
        animation-timing-function: ease-out;
    }

    33% {
        -webkit-transform: scale(0.87);
        transform: scale(0.87);
        -webkit-animation-timing-function: ease-in;
        animation-timing-function: ease-in;
    }

    45% {
        -webkit-transform: scale(1);
        transform: scale(1);
        -webkit-animation-timing-function: ease-out;
        animation-timing-function: ease-out;
    }
}

@keyframes heartbeat {
    from {
        -webkit-transform: scale(1);
        transform: scale(1);
        -webkit-transform-origin: center center;
        transform-origin: center center;
        -webkit-animation-timing-function: ease-out;
        animation-timing-function: ease-out;
    }

    10% {
        -webkit-transform: scale(0.91);
        transform: scale(0.91);
        -webkit-animation-timing-function: ease-in;
        animation-timing-function: ease-in;
    }

    17% {
        -webkit-transform: scale(0.98);
        transform: scale(0.98);
        -webkit-animation-timing-function: ease-out;
        animation-timing-function: ease-out;
    }

    33% {
        -webkit-transform: scale(0.87);
        transform: scale(0.87);
        -webkit-animation-timing-function: ease-in;
        animation-timing-function: ease-in;
    }

    45% {
        -webkit-transform: scale(1);
        transform: scale(1);
        -webkit-animation-timing-function: ease-out;
        animation-timing-function: ease-out;
    }
}