.admin-system-avatar{flex:0 0 34px;background-image:url('/assets/avatar-sprite-v1.png')!important;background-repeat:no-repeat!important;background-size:200% 200%!important}
.admin-system-avatar.avatar-system-1{background-position:0 0!important}
.admin-system-avatar.avatar-system-2{background-position:100% 0!important}
.admin-system-avatar.avatar-system-3{background-position:0 100%!important}
.admin-system-avatar.avatar-system-4{background-position:100% 100%!important}