/* LET THE STYLING BEGIN */
html {
  width: 100%;
  height: 100%;
}
body {
  font-family: Arial, sans-serif;
}

h1 {
  text-align: center;
}

form {
  margin-bottom: 20px;
}

input,
button {
  display: block;
  width: 100%;
  padding: 10px;
  margin: 10px 0;
}

p {
  color: green;
}

p.error {
  color: red;
}