.main-menu>ul>li.menu-item>a::after {
    display: none;
}

@keyframes glow {

    0%,
    100% {
        font-size: 6px;
    }

    50% {
        font-size: 18px;
        color: #ff0000;
    }
}

.glow {
    border-radius: 50%;
    animation: glow 1.5s infinite ease-in-out;
}