* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Menlo, Monaco, 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.7;
  color: #d0d0d0;
  background: #000000;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 580px;
  margin: 0 auto;
  padding: 60px 30px;
}

header {
  margin-bottom: 50px;
}

header h1 {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 20px;
  color: #ffffff;
  letter-spacing: 0.3px;
}

header h1 a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s;
}

header h1 a:hover {
  opacity: 0.8;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 15px;
  font-size: 11px;
}

nav a {
  color: #ffd43b;
  text-decoration: none;
  transition: opacity 0.2s;
}

nav a:hover {
  opacity: 0.7;
}

main {
  margin-bottom: 60px;
}

main h1 {
  font-size: 16px;
  font-weight: 500;
  margin: 35px 0 15px 0;
  color: #3776ab;
  letter-spacing: 0.3px;
}

main h1:first-child {
  margin-top: 0;
}

main h2 {
  font-size: 14px;
  font-weight: 500;
  margin: 30px 0 12px 0;
  color: #3776ab;
}

main h3 {
  font-size: 13px;
  font-weight: 500;
  margin: 25px 0 10px 0;
  color: #5a8fc2;
}

main p {
  margin: 12px 0;
  line-height: 1.8;
}

main a {
  color: #ffd43b;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 212, 59, 0.3);
  transition: border-color 0.2s, opacity 0.2s;
}

main a:hover {
  opacity: 0.8;
  border-bottom-color: #ffd43b;
}

main hr {
  border: none;
  text-align: center;
  margin: 40px 0;
  color: #333;
}

main hr:after {
  content: "* * *";
  letter-spacing: 1em;
  padding-left: 1em;
}

main code {
  background: #1a1a1a;
  padding: 2px 6px;
  border-radius: 2px;
  font-size: 11px;
  color: #ffd43b;
  border: 1px solid #333;
}

main ul,
main ol {
  margin: 12px 0 12px 25px;
}

main li {
  margin: 6px 0;
}

main blockquote {
  margin: 15px 0;
  padding-left: 20px;
  border-left: 2px solid #333;
  color: #999;
}

footer {
  padding-top: 30px;
  border-top: 1px solid #333;
  text-align: center;
  font-size: 11px;
  color: #666;
}

footer a {
  color: #ffd43b;
  text-decoration: none;
  transition: opacity 0.2s;
}

footer a:hover {
  opacity: 0.7;
}

@media (max-width: 640px) {
  .container {
    padding: 40px 20px;
  }

  header {
    margin-bottom: 40px;
  }

  main {
    margin-bottom: 50px;
  }
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #000000;
}

::-webkit-scrollbar-thumb {
  background: #333;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

::selection {
  background: #3776ab;
  color: #ffffff;
}