homework/js13/style.css

* {
  box-sizing: border-box;
}

form {
  display: flex;
  flex-direction: column;
  max-width: 200px;
  width: 100%;
  align-items: flex-start;
  padding: 20px;
}

form label {
  margin-top: 16px;
}

form input[type="text"] {
  width: 100%;
}

form input[type="password"] {
  width: 100%;
}

form button {
  margin: 0 auto;
}

input.invalid.touched {
  border: 1px solid red;
}

input.hidden {
  display: none;
}