@font-face {
  font-family: "NotoSansTC";
  src: url("NotoSansTC.ttf");
}

:root {
  --primary-color: #1c1c1c;
  --secondary-color: #2f2f2f;
  --text-color: #ffffff;
}

body {
  background-color: var(--primary-color);
  font-family: "NotoSansTC", sans-serif;
  background-image: url(https://img.worldofwheat.cc/34fdda6f1344);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

header {
  background-color: var(--secondary-color);
  color: var(--text-color);
  margin: 0;
}

main {
  color: var(--text-color);
  font-size: 0.8em;
  margin-bottom: calc(0.25rem * 3);
}

@media (min-width: 768px) {
  main {
    font-size: 1.0em;
  }
}

@media (min-width: 1200px) {
  main {
    font-size: 1.2em;
  }
}

.content {
  backdrop-filter: blur(10px);
  background-color: var(--primary-color);
  border: 1px solid #444;
  border-radius: 5px;
  padding: 30px;
}

footer {
  background-color: var(--secondary-color);
  color: var(--text-color);
}

h1 {
  margin: 0;
  padding: 0;
}

p {
  margin: 0;
  padding: 0;
}