<div class="radikalwp-avatars"><span class="radikalwp-av">ا<//span><span class="radikalwp-av">س<//span><span class="radikalwp-av">م<//span><span class="radikalwp-av">ن<//span><span class="radikalwp-av radikalwp-av-more">+۹<//span><//div>

.radikalwp-avatars { display: inline-flex; font-family: inherit; }
.radikalwp-av {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  border: 3px solid #fff;
  border-radius: 50%;
  margin-left: -10px;
  transition: transform .25s ease;
}
.radikalwp-av:first-child { margin-left: 0; }
.radikalwp-av:nth-child(1) { background: #6366f1; }
.radikalwp-av:nth-child(2) { background: #ec4899; }
.radikalwp-av:nth-child(3) { background: #f59e0b; }
.radikalwp-av:nth-child(4) { background: #10b981; }
.radikalwp-av-more { background: #1e293b; font-size: 12.5px; }
.radikalwp-av:hover { transform: translateY(-5px); }