#intro {
    display: flex;
    align-items: center;
    align-self: center;
    position: relative;
    font-weight: bold;
    font-size: 125%;
    letter-spacing: 0.1em;
    /* flex-direction: column; */
    /* width: 100%; */
}

#intro span {
    cursor: default;
}

#intro span:last-child {
    position: absolute;
    visibility: hidden;
    color: var(--color_1);
}

#intro:hover span:first-child {
    visibility: hidden;
}

#intro:hover span:last-child {
    visibility: initial;
}