gnu-social/plugins/UserFlag/userflag.css

.entity_flag input.submit,
.entity_flag p {
background:url(icon_flag.gif) 5px 5px no-repeat;
}
.entity_sandbox input.submit,
.entity_sandbox p {
background:url(icon_sandbox.gif) 5px 5px no-repeat;
}
.entity_silence input.submit,
.entity_silence p {
background:url(icon_silence.gif) 5px 5px no-repeat;
}
.entity_delete input.submit,
.entity_delete p {
background:url(icon_skull.gif) 5px 5px no-repeat;
}