@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
        animation-timing-function: ease-in-out;
    }

    50% {
        transform: translateY(-10px);
        animation-timing-function: ease-in;
    }
}

.bounce {
    display: inline-block;
    animation: bounce 2s infinite;
}

@keyframes ping {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.ping {
    position: absolute;
    width: 16px;
    height: 16px;
    background-color: blue;
    border-radius: 50%;
    opacity: 0.75;
    animation: ping 1.5s infinite;
}