/* Underlined animations */
.underline-through .underline-target {
    position: relative;
    bottom: 0;
    padding-bottom: 2px;
    background-image: linear-gradient(
        to right,
        var(--default-tx-color),
        var(--default-tx-color)
    );
    background-repeat: no-repeat;
    background-position: right bottom;
    background-size: 0 2px;
    transition: bottom .3s,
                background-size .3s;
}

.underline-through:hover .underline-target {
    bottom: 2px;
    background-position: left bottom;
    background-size: 100% 2px;
}

/* --- --- --- --- --- --- */

.underline-side .underline-target {
    transition: transform .3s;
}
.underline-side:hover .underline-target {
    transform: translateY(-3px);
}

.underline-side .underline-target::before {
    display: block;
    position: absolute;
    bottom: -2px;
    content: " ";
    border-bottom: solid 2px var(--default-tx-color);
    width: 0;
    transition: width .3s;
}
.underline-side:hover .underline-target::before {
    width: 100%;
}

.underline-side.left .underline-target::before {
    left: 0;
}
.underline-side.right .underline-target::before {
    right: 0;
}