.add{background-image:url(../images/add.png)}.edit{background-image:url(../images/edit.png)}.delete{background-image:url(../images/delete.png)}.activate{background-image:url(../images/activate.png)}.inactivate{background-image:url(../images/inactivate.png)}.filter{background-image:url(../images/filter.png)}.clear-filters{background-image:url(../images/clear-filters.png)}