.label.label.YOURPREFIX {
color: #00ff44;
text-shadow: 0 0 5px #00ff44;
}
.label.label.YOURPREFIX:before {
font-family: 'Font Awesome 5 Pro';
font-size: inherit;
font-style: normal;
font-weight: 400;
text-rendering: auto;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
content: "\f00c";
color: #00ff44;
text-shadow: 0 0 5px #00ff44;
padding-right: 5px;
}