body {
  margin: 0;
  background: #f3f7f6;
  color: #172233;
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

main {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

h1,
h2 {
  color: #0f1c2d;
  line-height: 1.2;
}

h1 {
  margin-top: 0;
}

h2 {
  margin: 22px 0 6px;
  font-size: 18px;
}

a {
  color: #0b686b;
  font-weight: 700;
}

.card {
  border: 1px solid #d8e3df;
  border-radius: 8px;
  background: #ffffff;
  padding: 22px;
}

.updated {
  color: #647386;
  font-size: 13px;
}

.feedback-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  margin-top: 10px;
  padding: 0 16px;
  border-radius: 8px;
  background: #0f8b8d;
  color: #ffffff;
  font-weight: 800;
  text-decoration: none;
}

.feedback-button:hover {
  background: #0b686b;
}