#datalist-toolbar #button-list #button-filter {
    padding-left: 32px;
    background-image: url(/ui/images/datalist-button-filter-icon.png);
}
#datalist-toolbar #button-list #button-user-add {
    padding-left: 32px;
    background-image: url(/ui/images/datalist-button-user-add-icon.png);
}
#datalist-toolbar #button-list #button-classify {
    padding-left: 32px;
    background-image: url(/ui/images/datalist-button-classify-icon.png);
}
#datalist-toolbar #button-list #button-remove {
    padding-left: 32px;
    background-image: url(/ui/images/datalist-button-remove-icon.png);
}