.popover-content .content-image {
    width: 100%;
    height: 100%;
}

.popover-content .content-image {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}