Droppable Widget | jQuery UI API DocumentationThe jQuery UI Droppable plugin makes selected elements droppable (meaning they accept being dropped on by draggables). You can specify which draggables each will accept. Theming The droppable widget uses the jQuery UI CSS framework to style its look and feel. If droppable specific styling is needed, the following CSS class names can be used for overrides or as keys for the classes option: ui-dropp
