html,
body {
  padding: 0;
  margin: 0;
  font-family: nunito_for_arco, Helvetica Neue, Helvetica, PingFang SC,
    Hiragino Sans GB, Microsoft YaHei, 微软雅黑, Arial, sans-serif;
}

* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  box-sizing: border-box;
}

.container {
  min-height: 100vh;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

main {
  padding: 5rem 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.footer {
  width: 100%;
  height: 80px;
  border-top: 1px solid #eaeaea;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #470000;
}

.footer a {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-grow: 1;
  color: #f4f4f4;
  text-decoration: none;
  font-size: 1.1rem;
}

.logo {
  margin-bottom: 2rem;
}

.logo svg {
  width: 450px;
  height: 132px;
}

.description {
  text-align: center;
  line-height: 1.5;
  font-size: 1.5rem;
}

.code {
  background: #fafafa;
  border-radius: 5px;
  padding: 0.75rem;
  font-size: 1.1rem;
  font-family: Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono,
    Bitstream Vera Sans Mono, Courier New, monospace;
}

@media (max-width: 600px) {
  .grid {
    width: 100%;
    flex-direction: column;
  }
}

.grid {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  width: 800px;
  margin-top: 3rem;
}

.card {
  margin: 1rem;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100px;
  color: inherit;
  text-decoration: none;
  border: 1px solid #470000;
  color: #470000;
  transition: color 0.15s ease, border-color 0.15s ease;
  width: 45%;
}

.card:hover,
.card:focus,
.card:active {
  transform: scale(1.05);
  transition: 0.1s ease-in-out;
}

.card h2 {
  font-size: 1.5rem;
  margin: 0;
  padding: 0;
}