html {
    scroll-behavior: smooth;
}

table.structure-table caption {
    font-size: 1.5rem;
    font-weight: bold;
}

table.structure-table tr td,
table.structure-table tr th {
    vertical-align: top;
}

table.structure-table tr th {
    cursor: pointer;
}

tr.structure-row td {
    transition: all ease-in-out 2s;
}

tr.structure-row.highlight td {
    background-color: yellow;
}

tr.structure-row td li em {
    margin-left: 1rem;
    display: block;
}

.line {
    position: absolute;
    height: 2px;
    background: gold;
    transform-origin: 0 0;
    display: none;
}