/* style @ demo **************** */
/* MAIN ************************ */
html { min-height: 100%; }
body {
  margin: 0 auto;
  padding: 20px;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.2;
  max-width: 650px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #333;
}
.container {
  margin-top: 85px;
  padding: 25px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  visibility: hidden;
}
h1, h2 { color: hotpink; margin-top: 0; }
dl { margin: 10px 0; }
dt {
  margin: 20px 0 20px;
  font-weight: bold;
  font-size: 1.1em;
  color: #667eea;
}
dd {
  margin: 5px 0 0 40px;
  padding: 0;
  color: #666;
}
p { margin: 5px 0 0; padding: 0;}
ul { margin: 0 10px; }
li { margin: 0; }
a, a:visited {
  color: silver;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
hr {
  margin: 30px 0 15px;
  border: none;
  border-top: 1px solid #ddd;
}

/* HEADER ********************** */
header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 40px;
  padding: 1.2rem 0;
  text-wrap: nowrap;
  background: #555;
  overflow: hidden;
  border-bottom: 1px solid #000;
}
header h1 {
  font-size: 1.75rem;
  margin: 0;
  padding: 0 4.5rem;
  color: color: #555;
}
header h1 a,
header h1 a:visited,
header h1 a:hover {
  text-decoration: none;
  color: #aaa;
}

/* FOOTER ********************** */
footer {
  text-align: center;
  color: #888;
  font-size: 0.9em;
}