<textarea class="form-textarea form-control" placeholder="Placeholder" rows="5"></textarea>
.form-textarea--disabled
<textarea class="form-textarea form-control form-textarea--disabled" placeholder="Placeholder" rows="5"></textarea>
.form-textarea--error
<textarea class="form-textarea form-control form-textarea--error" placeholder="Placeholder" rows="5"></textarea>
.form-textarea--success
<textarea class="form-textarea form-control form-textarea--success" placeholder="Placeholder" rows="5"></textarea>
.form-textarea--warning
<textarea class="form-textarea form-control form-textarea--warning" placeholder="Placeholder" rows="5"></textarea>