html    {   font: 100%/1.5 Arial, sans-serif;       }
h1      { font-size: 2em;       /* 2*16 = 32 */         }
h2      { font-size: 1.5em;     /* 1.5*16 = 24 */       }
h3      { font-size: 1.17em;    /* 1.17*16 = 18.72 */   }
h4      { font-size: 1em;       /* 1*16 = 16 */         }
h5      { font-size: 0.83em;    /* 0.83*16 = 13.28 */   }
h6      { font-size: 0.75em;    /* 0.75*16 = 12 */      }
p {
  line-height: 1.5;
  margin: 0 0 1em;
}
a:active    {   color: tomato;      }
a:focus     {   border: 1px dotted tomato; }
code,
pre     {   font-family: monospace, serif;
font-size: 1em; }
blockquote {
  font-style: italic;
}
blockquote:before {
  content: "\201C";
  display: inline-block;
  padding-right: .4em;
}

/*
 * Begin custom styles.
 */

li.external a {
    color: red;
}