h1 {
  margin-top: 100px;
  text-align: center;
}

p {
  text-align: center;
  max-width: 300px;
  margin: 20px auto;
}

.card {
  margin: 0 auto;
}

#contactForm {
  max-width: 300px;
  margin: 20px auto;
}

label {
  font-family: "Montserrat", sans-serif;
}

form div {
  margin-top: 10px;
}

input,
textarea {
  width: 100%;
  margin-top: 2px;
  padding: 10px;
  font-size: 16px;
  border: 1px solid #645a5a;
  font-family: "lato", sans-serif;
}

.form-error {
  color: red;
  display: none;
}

.submit-btn {
  font-family: Montserrat, sans-serif;
  background: #597c5b;
  border: none;
  width: 300px;
  padding: 1.5em 1em;
  color: white;
  margin-top: 20px;
  cursor: pointer;
  transition: all 0.5s;
  border-radius: 0.2em;
}

.submit-btn:hover {
  background: white;
  border: 3px solid #597c5b;
  color: #597c5b;
}

#success {
  border: 2px solid #00ff00;
  width: 300px;
  padding: 10px;
  display: none;
}

#success p {
  text-align: center;
}

@media (min-width: 768px) {
  h1 {
    margin-top: 150px;
  }

  p {
    max-width: 350px;
  }

  .card {
    margin: 50px auto;
    height: 900px;
    width: 600px;
  }

  #contactForm {
    max-width: 350px;
  }

  .submit-btn {
    width: 350px;
  }

  #success {
    width: 350px;
  }
}