body {
  font-family: "Farfetch Basis","Helvetica Neue",Arial,sans-serif;
}

.container {
  display: flex;
  align-items: center;
  margin: 50px;
  flex-wrap: wrap; 
}

.column, .right-column {
  flex: 1; 
  margin: 10px;
}

textarea {
  width: 100%; 
  height: 150px;
  resize: none;
  font-size: 14px;
  padding: 10px;
  box-sizing: border-box;
  margin-bottom: 20px;
  min-height: 100px;
  border: 1px solid lightgray;
}

header {
  text-align: center;
  margin-bottom: 60px;
  border-bottom: 1px #ccc solid;
  font-size: 50px;
  font-weight: 650;
}

footer {
  text-align: center;
  font-size: 10px;
  position: fixed;
  bottom: 0;
  width: 100%;
  height: 40px;
}

button {
  background-color: #222;
  border-radius: 4px;
  color: #fff;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  padding: 6px 20px;
  text-align: center;
  width: auto; 
  margin: 10px;
}

.switch-button {
  margin: 10px;
}

button:hover {
  opacity: .75;
}


@media (max-width: 768px) {
  header, .container, .column, .right-column, textarea, button {
    width: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box; 
  }

  .container {
    flex-direction: column;
  }

  .switch-button, .button {
    width: calc(100% - 20px); 
    margin: 10px;
    padding: 6px 20px; 
  }

  button {
    padding: 6px 20px; 
    margin: 10px auto; 
  }

  textarea {
    margin: 10px;
    padding: 10px;
  }

  footer {
    position: relative; 
  }
}