<div class="radikalwp-in-area"><textarea maxlength="120" placeholder="درباره خودتان بنویسید...">طراح رابط کاربری و عاشق CSS!<//textarea><span class="radikalwp-in-area-count">۳۰ / ۱۲۰<//span><//div>

.radikalwp-in-area { width: 280px; font-family: inherit; }
.radikalwp-in-area textarea {
  width: 100%;
  min-height: 96px;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 13.5px;
  line-height: 2;
  color: #1e293b;
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: 11px;
  outline: none;
  resize: vertical;
  transition: all .3s ease;
}
.radikalwp-in-area textarea:focus { background: #fff; border-color: #0ea5e9; box-shadow: 0 0 0 3px rgba(14, 165, 233, .12); }
.radikalwp-in-area-count {
  display: block;
  margin-top: 5px;
  text-align: left;
  font-size: 10.5px;
  color: #94a3b8;
}