vaadin-grid::part(vHeader-row) {
    --vaadin-grid-cell-background: #777;
    font-family: Roboto, sans-serif;
    font-weight: bold;
    color: white;
    font-size: small;
}

vaadin-grid::part(vActive-row) {
    --vaadin-grid-cell-background: #e8fde1;
    font-family: Roboto, sans-serif;
    color: blue;
}

vaadin-grid::part(vPreview-row) {
    --vaadin-grid-cell-background: #fdf8e1;
    font-family: Roboto, sans-serif;
    color: blue;
}

vaadin-grid::part(vGroup2-row) {
    --vaadin-grid-cell-background: #fcfcfc;
    font-family: Roboto, sans-serif;
}

vaadin-grid::part(vGroup2-row-header) {
    --vaadin-grid-cell-background: #fcfcfc;
    font-family: Roboto, sans-serif;
    border-top: 2px solid #aaa;
}

vaadin-grid::part(vGroup1-row-header) {
    --vaadin-grid-cell-background: #f3f3f3;
    font-family: Roboto, sans-serif;
    border-top: 2px solid #aaa;
}

vaadin-grid::part(vGroup1-row) {
    --vaadin-grid-cell-background: #f3f3f3;
    font-family: Roboto, sans-serif;
}

vaadin-grid::part(vStart-row) {
    --vaadin-grid-cell-background: #fff;
    font-family: Roboto, sans-serif;
    font-weight: bold;
    color: darkblue;
    border-top: 1px solid #ccc;
}

vaadin-tooltip {
    --vaadin-tooltip-offset-top: 18px;
}

vaadin-tooltip-overlay::part(content) {
    white-space: pre;
}

.no-horizontal-lines::part(cell) {
    border: none;
}