image shake animation before revealing scrollbox

HTML

<style>
   .containerr0 {
    position: relative;
    width:100%;
}

.imager0 /*image*/ {
    display: block;
    width: 150px;
    height: 150px;
    border: 1px solid black;
    border-radius: 8px;
}

.overlayr0 {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    top: 0;
    background: rgb(255, 229, 251);
    background: radial-gradient(circle, rgba(255, 229, 251, 1) 0%, rgba(255, 148, 190, 1) 50%);
    overflow-x: hidden;
    overflow-y: scroll;
    width: 150px; /* the container width */
    height: 0;
    transition: 0.8s;
    -moz-transition: 0.8s;
    -webkit-transition: 0.8s;
    -o-transition: 0.8s;
}

.containerr0:hover .overlayr0 {
    animation: shakeit 1s, image_blur 1s;
    transition: all 1s ease-in-out;
    transition-timing-function: cubic-bezier(0.1, 0.8, 0.9, 0.1);
    bottom: 0;
    top: 0;
    height: 150px; /* height of container */
    border: 1px solid black;
    border-radius: 8px;
}

.textr0 {
    color: black;
    font-family: 'Kosugi Maru', sans-serif;
    font-size: .5rem;
    text-align: left;
    overflow-x: hidden;
    overflow-y: scroll;
    width: 130px; /* width of scrollable text, make this smaller */
    height: 150px; /* height of scrollable text */
    padding: 10px;
    line-height: 1.2em;
    letter-spacing: -0.05;
}

@keyframes shakeit {
    0% {
        transform: translate(1px, 1px) rotate(0deg);
    }

    10% {
        transform: translate(-1px, -2px) rotate(-1deg);
    }

    20% {
        transform: translate(-3px, 0px) rotate(1deg);
    }

    30% {
        transform: translate(3px, 2px) rotate(0deg);
    }

    40% {
        transform: translate(1px, -1px) rotate(1deg);
    }

    50% {
        transform: translate(-1px, 2px) rotate(-1deg);
    }

    60% {
        transform: translate(-3px, 1px) rotate(0deg);
    }

    70% {
        transform: translate(3px, 1px) rotate(-1deg);
    }

    80% {
        transform: translate(-1px, -1px) rotate(1deg);
    }

    90% {
        transform:...