.container {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
}

textarea {
  min-width: 46vw;
  height: 600px;
  box-sizing: border-box;

  padding: 12px 16px;
  font-size: 14px;
  resize: none;
}

@media screen and (max-width: 860px) {
  .container {
    flex-direction: column;
    align-items: center;
    margin-bottom: 100px;
  }

  textarea {
    min-width: 92vw;
    height: 400px;
  }
}