html,
body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  display: flex;
  flex-direction: column;
}

header {
  background-color: #368;
  padding: 1em;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.container {
  margin-top: 7rem;
}

.card {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.card .card-header {
  height: 64px;
  align-items: center;
  display: flex;
  font-weight: 400;
  font-size: 1.8rem;
}

@media only screen and (max-width: 600px) {
  .container {
    margin-top: 3rem;
  }
  .card .card-header {
    font-size: 1.3rem;
  }
}
.card .card-header img {
  margin-right: 0.75rem;
  height: 32px;
}

.card .card-header span {
  position: relative;
  top: -2px;
}

.card .card-body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 200px;
}

.card .card-text {
  text-align: justify;
}

.card .btn {
  height: 48px;
  font-size: 1.05rem;
  font-weight: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
}

.card .btn:hover {
  filter: saturate(80%) brightness(120%);
}

.card .errorbox {
  text-align: center;
  font-weight: bold;
  color: #933;
  font-size: 1.05rem;
  border: 2px solid #990000;
  background-color: #fcc;
  padding: 0.5em;
  margin-bottom: 5px;
}

.form-group {
  margin-bottom: 1rem;
}

label {
  margin-bottom: 0.5rem;
}