html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: #ffffff;
}

.tri-favorite-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  box-sizing: border-box;
  background: #ffffff;
}

.tri-favorite-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.tri-favorite-logo {
  display: block;
  width: 500px;
  max-width: min(500px, 90vw);
  height: auto;
}

.tri-favorite-button {
  margin-top: 50px;
  text-decoration: none;
}

.tri-favorite-button sup {
  font-size: 0.65em;
  vertical-align: super;
}

@media (max-width: 640px) {
  .tri-favorite-button {
    text-align: center;
    line-height: 1.35;
  }
}