Table Options · Bootstrap Table
https://bootstrap-table.com/docs/apiThe class name of table thead. Bootstrap v4, use the modifier classes .thead-light or .thead-dark to make theads appear light or dark gray. Default: '' Example: Thead Classes. toolbar. Attribute: data-toolbar. Type: String/Node. Detail: A jQuery selector that indicates the toolbar, for example: #toolbar, .toolbar, or a DOM node. Default: undefined