<div class="radikalwp-fm-ok"><input type="text" value="radikal_admin" /><i>✓<//i><//div>

.radikalwp-fm-ok {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 250px;
  padding: 0 14px;
  background: #ecfdf5;
  border: 1.5px solid #10b981;
  border-radius: 12px;
}
.radikalwp-fm-ok input {
  flex: 1;
  min-width: 0;
  padding: 12px 0;
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 14px;
  color: #065f46;
}
.radikalwp-fm-ok i {
  width: 22px;
  height: 22px;
  background: #10b981;
  color: #fff;
  border-radius: 50%;
  font-style: normal;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: radikalwp-fm-ok-pop .35s cubic-bezier(.3, 1.6, .5, 1);
}
@keyframes radikalwp-fm-ok-pop { from { transform: scale(0); } }