span#email {
    color: #333;
    font-weight: bold;
    opacity: 85%;
}

span#email::before {
    content: ">";
    font-weight: bolder;
    opacity: 95%;
    margin-right: 5px;
}

span#email::after {
    content: "|";
    color: gray;
    background-color: gray;

    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% {
        opacity: 0;
    }
    51%, 100% {
        opacity: 100%;
    }
}