assets/css/component/marginpar.css

.marginpar {
    left: var(--golden-ratio);
    margin-right: 0;
    margin-left: calc(var(--marginparwidth) * -1);
    font-size: var(--small);
    font-style: italic;
}

.marginpar.abs {
    /* will ignore clear attribute */
    position: absolute;
    right: var(--void);
    left: unset;
}

.marginpar-ctrl,
.marginpar-ctrl + label::before {
    position: absolute;
    top: -100vh;
}

.marginpar-ctrl + .has-counter::before {
    counter-increment: marginnote;
    position: unset;
}

.marginpar-ctrl + .has-counter::before,
.has-counter + .marginpar::before {
    --anm: unset !important;
    display: inline-block !important;
    vertical-align: super;
    color: inherit !important;
    font: .7rem normal inherit;
    content: '[' counter(marginnote) ']' !important;
}

.has-counter + .marginpar::before {
    position: absolute;
    left: 0;
    width: var(--indent);
    text-align: center;
    padding-top: 1ex;
}

.marginpar-ctrl + label.has-counter {
    display: unset;
    padding: 0;
}

@media screen and (max-width: 640px) {

    .marginpar-ctrl + label {
        display: inline-flex;
        padding: 2pt;
    }

    .marginpar-ctrl + label::before {
        position: unset;
        display: block !important;
        left: 0;
    }

    .marginpar-ctrl:checked + label::before {
        --anm: unset;
        color: var(--ac);
    }

    .marginpar {
        display: none;
        float: unset;
    }

    .marginpar-ctrl:checked + label + .marginpar {
        display: block;
        position: unset;
        margin: 1ex 0;
    }

}