.blink {
    animation-duration: 1s;
    animation-name: blink;
    animation-iteration-count: infinite;
    animation-direction: alternate;
    animation-timing-function: ease-in-out;
    font-style: italic;
}

@keyframes blink {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

.case_num {
    width: 24%;
}