paste this code into the extra.less
Have fun
Before
After
.actionBar-action:before {
margin-right: 5px;
}
.actionBar-action--edit:before {.m-faContent("\f040");}
.actionBar-action--report:before {.m-faContent("\f071");}
.actionBar-action--ip:before {.m-faContent("\f002");}...