styles.css

.path-mod-ratingallocate ul.horizontal.choices {
    margin: 0;
}

.path-mod-ratingallocate .horizontal.choices .option {
    padding-right: 20px;
    display: inline-block;
    white-space: normal;
}

.ratingallocate_ratings_table tr.ratingallocate_summary,
.ratingallocate_ratings_table span.ratingallocate_member {
    font-weight: bold;
}

/* Indicate selected choice in non-writeable tables */
.ratingallocate_ratings_table span.ratingallocate_member::before {
    content: url('[[pix:i/checked]]');
}

/* Show a tickmark for a selected choice */
.ratingallocate_ratings_table span input[type=radio]:checked ~ label {
    /* necessary for containing absolute position values */
    position: relative;
}

.ratingallocate_ratings_table span input[type=radio]:checked ~ label::before {
    content: url('[[pix:i/checked]]');
    position: absolute;
    margin-top: -2px;
}

/* Special highlight for values that were checked *initially* */
.ratingallocate_ratings_table span input[type=radio][checked] ~ label > span.ratingallocate_checkbox {
    background: url('[[pix:ratingallocate|checkbox-selected]]');
    background-size: 13px 13px;
}

.ratingallocate_ratings_table span input[type=radio][checked] ~ label {
    font-weight: bold;
}

/* Checkbox/radio replacement */
.ratingallocate_ratings_table span input[type=radio] ~ label > span.ratingallocate_checkbox {
    display: inline-flex;
    height: 13px;
    width: 13px;
    margin-right: 5px;
    vertical-align: text-top;
    background: url('[[pix:ratingallocate|checkbox]]');
    background-size: 13px 13px;
}

.ratingallocate_ratings_table span input[type=radio] {
    display: none;
}

.ratingallocate_ratings_box {
    overflow: auto; /* Scrolling tables */
}

.path-mod-ratingallocate .mod-ratingallocate-choice-maxno {
    text-align: right;
}

.ratingallocate_distribute_unallocated {
    margin: 1em 1em 0 0;
}

.ratingallocate_ratings_table {
    border-collapse: separate;
    border-spacing: 0;
}

.ratingallocate_ratings_table thead th:first-child,
.ratingallocate_ratings_table tbody td:first-child {
    position: sticky;
    left: 0;
    min-width: 10rem;
    max-width: 10rem;
}

.ratingallocate_ratings_table.includegroups tbody td:nth-child(2),
.ratingallocate_ratings_table.includegroups thead th:nth-child(2) {
    position: sticky;
    left: 10rem;
    border-right: 2px solid #dee2e6;
}

.ratingallocate_ratings_table:not(.includegroups) tbody td:first-child,
.ratingallocate_ratings_table:not(.includegroups) thead th:first-child {
    border-right: 2px solid #dee2e6;
}

.ratingallocate_ratings_table thead th:first-child,
.ratingallocate_ratings_table.includegroups thead th:nth-child(2) {
    z-index: 3;
}

.ratingallocate_ratings_table .groupsinchoiceheadings {
    font-size: xx-small;
}

.ratingallocate_ratings_table tr.ratingallocate_summary td {
    position: sticky;
    bottom: 0;
    background-color: #fff;
}

.ratingallocate_ratings_table thead th {
    background-color: #fff;
    position: sticky;
    top: 0;
    z-index: 2;
}

.ratingallocate_ratings_table tbody td:first-child,
.ratingallocate_ratings_table.includegroups tbody td:nth-child(2) {
    background-color: #fff;
    z-index: 1;
    font-weight: bold;
}

.ratingallocate_ratings_table_container .no-overflow {
    overflow: unset;
}