usthick { background-position: -00px -000px; } .ui-icon-minus { background-position: -00px -000px; } .ui-icon-minusthick { background-position: -00px -000px; } .ui-icon-close { background-position: -00px -000px; } .ui-icon-closethick { background-position: -00px -000px; } .ui-icon-