html {
  background: #020202;
}

body {
  width: 760px;
  max-width: calc(100% - 30px);

  margin: 35px auto;
  padding: 18px;

  background: #070707;
  color: #888;

  border: 1px solid #252525;

  font-family: Tahoma, Verdana, Arial, sans-serif;
  font-size: 12px;
  line-height: 1.6;
}


/* ЗАГОЛОВОК */

header {
  padding: 5px 10px 18px;

  border-bottom: 1px solid #292929;
}

header h1 {
  margin: 0;

  color: #b5b5b5;

  font-family: "Courier New", monospace;
  font-size: 24px;
  font-weight: normal;
  letter-spacing: 4px;
}

header p {
  margin: 4px 0 0;

  color: #3f3f3f;
  font-size: 10px;
}


/* МЕНЮ */

nav {
  padding: 12px 10px;

  border-bottom: 1px solid #292929;

  background: #050505;
}

nav a {
  display: inline-block;

  margin-right: 14px;
  margin-bottom: 3px;

  color: #666;
  text-decoration: none;
}

nav a:hover {
  color: #aaa;
}


/* ОСНОВНЫЕ БЛОКИ */

section {
  margin: 22px 0;
  padding: 15px;

  border: 1px solid #1d1d1d;

  background: #080808;
}

section h2 {
  margin: 0 0 12px;

  color: #777;

  font-family: "Courier New", monospace;
  font-size: 12px;
  font-weight: normal;
  letter-spacing: 1px;
}

section p {
  margin: 7px 0;

  color: #888;
}


/* ССЫЛКИ */

a {
  color: #777;
  text-decoration: none;
}

a:hover {
  color: #a33;
}


/* FOOTER */

footer {
  margin-top: 30px;
  padding-top: 10px;

  border-top: 1px solid #222;

  color: #383838;

  font-family: "Courier New", monospace;
  font-size: 10px;
}


/* МОБИЛЬНЫЕ */

@media (max-width: 800px) {

  body {
    width: auto;
    max-width: none;
    margin: 10px;
  }

  nav a {
    margin-right: 10px;
  }

}