html, body, input {
  font-family: arial;
}
#login-form {
  padding: 20px;
  background: #f2f2f2;
  max-width: 320px;
  margin: 0 auto;
}
#login-form h1 {
  font-size: 1.5em;
  margin: 0;
  color: #9b9b8d;
}
#login-form label, #login-form input {
  display: block;
  margin-top: 10px;
  width: 100%;
}
#login-form input[type=email], #login-form input[type=password] {
  padding: 5px;
  font-size: 1em;
  box-sizing: border-box;
}
#login-form input[type=submit] {
  background: #ad4343;
  color: #fff;
  font-size: 1em;
  padding: 10px 0;
  border: 0;
}