/* style @ demo **************** */
/* MAIN ************************ */
* { box-sizing: border-box; }
html { min-height: 100%; }
body {
  margin: 0 auto;
  padding: 20px;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.4;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  background: #f6f8fa;
  color: #333;
}
h1, h2 { color: hotpink; margin-top: 0; }
p { margin: 5px 0 0; padding: 0;}
hr {
  margin: 30px 0 15px;
  border: none;
  border-top: 1px solid #ddd;
}

/* A *************************** */
a, a:visited {
  color: silver;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* HEADER ********************** */
header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  padding: 1.2rem 0;
  text-wrap: nowrap;
  border-bottom: 1px solid #ddd;
  overflow: hidden;
  _background: #555;
}
header h1 {
  font-size: 1.75rem;
  margin: 0;
  padding: 0 4.5rem;
  color: #555;
}
header h1 a,
header h1 a:visited,
header h1 a:hover {
  text-decoration: none;
  color: #aaa;
  color: #000;
}

/* MENU ************************ */
menu {
  display: flex;
  position: absolute;
  top: 64px;
  left: 0;
  width: 100%;
  padding: 20px 6.5rem 15px;
  background: #2563eb;
  background: #fff;
  border-bottom: 1px solid #ddd;
}
a.button, a.button:visited {
  color: black;
  text-decoration: none;
}
a.button {
  height: 32px;
  margin: 0 10px;
  padding: 6px 14px;
  border: 1px solid #ddd;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  background: #2563eb;
  color: white;
  background: #E3FF73;
}

/* MAIN ************************ */
main {
  position: absolute;
  top: 144px;
  left: 0;
  width: 100%;
  _padding: .5rem 4.5rem;
  padding: 20px 4.5rem 10px;
  _padding: 0;
  _background: #555;
}
main .container {
  _padding: 30px 4.5rem 10px;
}

/* FOOTER ********************** */
footer {
  margin: 14px 28px;
  font-size: 0.9em;
  line-height: 1.3;
  color: #555;
  color: #888;
}