table {
    width: 20%;
    border-collapse: collapse;
}
th, td {
    border: 1px solid #ccc;
    padding: 7px;
    text-align: center;
}
img {
    width: 17px;
    height: auto;
}

@keyframes blink {
    0% { outline: 1px solid transparent; background-color: transparent; border-radius: 0px; }
    20% { outline: 4px solid orange; background-color: rgba(255, 140, 0, 0.3); border-radius: 15px; }
    50% { outline: 1px solid transparent; background-color: transparent; border-radius: 0px; }
    80% { outline: 4px solid orange; background-color: rgba(255, 140, 0, 0.3); border-radius: 15px; }
    100% { outline: 1px solid transparent; background-color: transparent; border-radius: 0px; }
}

.clase-titilante {
    animation: blink 1s ease-in-out 6;
    animation-fill-mode: none;
    transition: all 0.5s ease-in-out;
}