.button {
  background-image: linear-gradient(to right bottom, #104381, #2586fc, #0d376b);
  border: none;
  border-radius: 2px;
  color: #111;
  outline: none !important;
  padding: 1rem 4rem;
  transition: all 0.5s;
}
form {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
form .form-group-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
form .form-group-wrapper .form-group {
  display: flex;
  flex-wrap: wrap;
  font-size: 2rem;
  justify-content: center;
  width: 100%;
}
form .form-group-wrapper .form-group .form-control {
  font-size: 1.5rem;
  margin: 1rem 0;
  padding: 1rem;
  width: 100%;
}
form .form-group-wrapper .form-group .form-label {
  color: #ddd;
  width: 100%;
}
form .form-group-wrapper .form-group .feedback-box {
  margin-bottom: 1rem;
}
form .form-group-wrapper .form-group .feedback-box .feedback {
  font-size: 2rem;
  text-align: center;
}
form .form-group-wrapper .form-group .feedback-box .feedback.hidden {
  display: none;
}
form .form-group-wrapper .form-group .feedback-box .feedback.positive {
  color: #7fbf3f;
}
form .form-group-wrapper .form-group .feedback-box .feedback.negative {
  color: #bf3f3f;
}
form .form-group-wrapper .form-group .feedback-box .feedback.negative.correct-answer {
  display: block;
}
form .check-form {
  font-size: 2rem;
  margin: 2.5rem;
}

@media screen and (min-width: 576px) {
  form .form-group-wrapper .form-group {
    width: 45%;
  }
}
@media screen and (min-width: 768px) {
  form .form-group-wrapper .form-group {
    width: 30%;
  }
}
.app-headline {
  border-bottom: 0.5rem solid #ddd;
  padding-bottom: 2rem;
}

.ip-address {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.ip-address.fixed {
  left: 0;
  position: fixed;
  top: 0;
  width: 100%;
}
.ip-address .ip-address-value {
  font-size: 3.5rem;
  letter-spacing: 0.25rem;
  margin-bottom: 2.5rem;
  width: 100%;
}
.ip-address .ip-address-button {
  font-size: 2rem;
  margin-bottom: 2.5rem;
}

html {
  font-size: 10px;
}
html body {
  background-color: #222;
  font-family: "Jockey One", sans-serif;
}
html body h1, html body h2, html body h3, html body h4, html body h5, html body h6 {
  color: #ddd;
  text-align: center;
}
html body h1 {
  font-size: 2.5rem;
  letter-spacing: 0.5rem;
  text-transform: uppercase;
}

header {
  background-color: #111;
  border-bottom: 0.1rem solid #ddd;
  margin-bottom: 2.5rem;
  padding: 1rem;
}