body {
  margin: 0;
}

@media screen and (max-width: 559px) {
  body {
    padding-top: 10px;
    padding-left: 20px;
    padding-right: 20px;
    padding-bottom: 10px;
  }

  section {
    width: auto;
  }
}

@media screen and (min-width: 560px) {
  section {
    min-width: 340px;
    width: 50%;
    margin-left: auto;
    margin-right: auto;
  }

  .site-logo {
    margin: 10px;
    margin-top: 20px;
    margin-left: 50px;
  }
}

.center {
  text-align: center;
}

.form-field {
  width: 280px;
  margin-left: auto;
  margin-right: auto;
}

.form-field label {
  display: block;
  text-align: left;
  font-weight: bold;
  font-size: 1.1em;
}

.form-field:nth-child(n + 2) {
  margin-top: 15px;
}

.form-field input {
  text-align: left;
  width: 100%;
  font-size: 3em;
  border: 1px #000000 solid;
}

.form-field .button {
  width: 160px;
  height: 36px;
  font-size: 15px;
  color: #ffffff;
  background: #ff4500;
  border: 0;
  cursor: pointer;
}

.button:hover {
  background-color: #b22222;
}

.error-message {
  margin: 0 auto 20px;
  width: 280px;
  padding: 12px 16px;
  color: #8b0000;
  background: #fff0f0;
  border: 1px solid #f0b7b7;
  border-radius: 4px;
}