.contextual-composer .field.contextual-composer-field textarea {
  height: 74px;
  min-height: 74px;
  max-height: 110px;
}

@media (max-width: 640px) {
  .contextual-composer .field.contextual-composer-field textarea {
    height: 64px;
    min-height: 64px;
  }
}