time {
    display: none;
    position: fixed;
    width: 100%;
    background: black;
    color: white;
    bottom: 0;
    left: 0;
    text-align: center;
    font-size: 3em;
}
article:hover time {
    display: block;
}
p {
    margin: 0;
    padding: 100px 0;
}
article:hover p {
    color: rebeccapurple;
}