.icon-alert-grey600 { background-image: url('sprite-alert-grey600.png'); } .icon-alert-grey600-ic_error_grey600_24dp { background-position: -5px -5px; width: 24px; height: 24px; } .icon-alert-grey600-ic_warning_grey600_24dp { background-position: -39px -5px; width: 24px; height: 24px; }