MediaWiki:Badges.css

/* Custom username badges */
[class^='EntityHeader_name__']::after,
[class^='mw-userlink']::after,
.edit-info-user::after,
.lastEdited > a:after {
	display: inline-block;
	margin-left: 6px;
	width: 16px;
	height: 16px;
	background-size: cover;
	vertical-align: sub;
}

/* Adjust base styles for Recent Wiki Activity rail module */
.edit-info-user::after {
	margin-left: 0;
	width: 12px;
	height: 12px;
	transform: translate(0px, -1px);
}

[class^='EntityHeader_name__'][href='/wiki/User:LostSnowDust']::after,
[class^='mw-userlink'][href='/wiki/User:LostSnowDust']::after,
.edit-info-user[href='/wiki/User:LostSnowDust']::after {
    content: '';
    background-image: url(https://static.wikia.nocookie.net/csydes-test/images/3/3b/Badge_Administrator.svg/revision/latest?cb=20190915220804);
}

/* Admins */
[class^='EntityHeader_name__'][href='/wiki/User:DanTDM_Fan']::after,
[class^='mw-userlink'][href='/wiki/User:DanTDM_Fan']::after,
.edit-info-user[href='/wiki/User:DanTDM_Fan']::after,
[class^='EntityHeader_name__'][href='/wiki/User:JaydonC621']::after,
[class^='mw-userlink'][href='/wiki/User:JaydonC621']::after,
.edit-info-user[href='/wiki/User:JaydonC621']::after,
.edit-info-user[href='/wiki/User:JaydonC621']::after,
[class^='EntityHeader_name__'][href='/wiki/User:Tabbloide']::after,
[class^='mw-userlink'][href='/wiki/User:Tabbloide']::after,
.edit-info-user[href='/wiki/User:Tabbloide']::after {
   content:'';
   background-image: url(https://static.wikia.nocookie.net/central/images/1/12/Badge-Admin.svg);
}