field_validation_report.admin.css

.field-validation-report-bundle-checkbox {
    margin-left: 2em;
}
.field-validation-report__entity-type-label,
.field-validation-report__bundle-label {
    cursor: pointer;
}
.field-validation-report__entity-type-label:before,
.field-validation-report__bundle-label:before {
    content: '[+]';
    padding-right: 0.5em;
}
.field-validation-report__entity-type-label.expanded:before,
.field-validation-report__bundle-label.expanded:before {
    content: '[-]';
    padding-right: 0.5em;
}
.field-validation-report__bundle-label {
    padding-left: 2em;
}
.field-validation-report__entity-label {
    padding-left: 4em;
}
.field-validation-report__bundle,
.field-validation-report__entity {
    display: none;
}
.field-validation-report__bundle.expanded,
.field-validation-report__entity.expanded {
    display: table-row;
}
table.field-validation-report tr.ok {
    color: #255b1e;
    background-color: #e5ffe2;
}
table.field-validation-report tr.error {
    color: #8c2e0b;
    background-color: #fef5f1;
}