textarea {
  background-color: transparent;
  text-transform: none;
  padding: 5px 0;
  border-radius: 0;
  box-shadow: none;
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  border: 1px solid transparent;
  border-bottom: 1px solid #222222;
  transition: border-color .3s ease-out;
  overflow: auto;
  width: 100%;
}

textarea:hover {
  border-bottom-color: #11A44F;
}

textarea:focus {
  border-bottom-color: #11A44F;
  outline: 0;
}