User:Wecury/Sandbox/test/style.css

.badge {
  display: inline-block;
  padding: 0.25em 0.6em;
  border-radius: 1rem;
  color: #fff;
}
.badge-a { border: solid #252525; border-width: 1px; }
.badge-n { background-color: #252525;font-size: 75%; font-weight: bold }
.badge-b { background-color: #00A1D6;font-size: 75%; font-weight: bold }
.badge-y { background-color: #FF0033;font-size: 75%; font-weight: bold }