body
{
  font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
  background-color: WhiteSmoke;
  text-align: justify;
  font-size: 120%;
}

h1
{
  font-family: "Trebuchet MS", Helvetica, sans-serif;
  background-color: Gainsboro;
  font-size: 150%;
  text-align: center;

  padding: 0.5em 1.5em;
  border-radius: 0.8em;
  box-shadow: 0.1em 0.1em 0.2em #888888;
}

h2
{
  font-family: "Trebuchet MS", Helvetica, sans-serif;
  background-color: Gainsboro;
  box-shadow: 0 0 0.2em #888888;
  padding: 0.2em 1em;
  font-size: 140%;
  text-align: center;
}

h3
{
  font-family: "Trebuchet MS", Helvetica, sans-serif;
  font-size: 130%;
  text-align: center;
}

nav::before
{
  content: "Содержание страницы";
  font-weight: bold;
}

.title
{
  background-color: Salmon;
}

.author
{
  background-color: WhiteSmoke;
  text-align: center;
  box-shadow: none;
  font-size: 120%;
}

.date
{
  background-color: WhiteSmoke;
  text-align: center;
  font-size: 100%;
}

.nb
{
  background-color: Lavender;
  box-shadow: 0 0 0.2em #888888;
  font-size: 95%;
  padding: 0.2em 1.2em;
}

.def
{
  box-shadow: 0 0 0.2em #888888;
  background-color: AntiqueWhite;
  padding: 0.1em 1.2em;
  border-radius: 0.8em;
}

.eng
{
  font-style: italic;
  background-color: #fffa70;
  border-radius: 0.3em;
  padding: 0 0.3em;
}

.syntax
{
  font-family: "Lucida Console", Monaco, monospace;
  font-size: 90%;
  color: Blue;
  background-color: White;
  border-radius: 0.3em;
  padding: 0.2em 0.3em;
}

.marks
{
  font-family: "Trebuchet MS", Helvetica, sans-serif;
  background-color: Gold;
  font-size: 110%;
  text-align: center;
  padding: 0.4em 1em;
  border-radius: 0.8em;
  box-shadow: 0.1em 0.1em 0.2em #888888;
  width: 6em;
}

.cpplink
{
  background-color: SkyBlue;
  text-align: center;
  padding: 0.2em 0.6em;
  border-radius: 0.6em;
  box-shadow: 0.2em 0.2em 0.3em #888888;
  width: 4em;
}

.formula img
{
  border: 2em solid transparent;
  box-shadow: none;
}


pre
{
  border: 0.15em solid #a2a2a2;
  box-shadow: 0 0 0.2em #888888;
  padding: 0.8em 0.8em;
}

blockquote
{
  text-align: right;
  quotes: "«" "»";
  font-style: italic;
}

figure
{
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

figcaption
{
  text-align: center;
}


table
{
  border-collapse: collapse;
  border: 0.15em solid DarkGray;
  box-shadow: 0 0 0.2em #888888; /* doesn't work in IE11 with collapsing borders */
  margin-left: auto;
  margin-right: auto;
}

th, td
{
  border: 0.15em solid DarkGray;
  padding: 0.3em 1em;
  background-color: AntiqueWhite;
}

table > caption
{
  border: 0.15em solid DarkGray;
  padding: 0.3em 1em;
  box-shadow: 0 0 0.2em #888888;
  background-color: PaleGoldenRod;
}


img
{
  border: 0.5em solid White;
  box-shadow: 0 0 0.2em #888888;
}


:target
{
  background-color: Khaki;
  box-shadow: 0 0 0.4em Yellow;
}

a:link
{
  color: Blue;
}

a:visited
{
  color: DarkMagenta;
}

a:hover
{
  text-shadow: 0 0 0.3em Blue;
}

a:active
{
  text-shadow: 0 0 0.3em Red;
}