html,
body {
  margin: 10px;
  padding: 10px;
  height: 100%;
  font-family: Arial, sans-serif;
}

h2,
h3 {
  color: #222222;
  margin-bottom: 10px;
}

h1 {
  color: #222222;
  margin-bottom: 20px;
  font-size: 2em;
  text-align: center;
}

p {
  margin-bottom: 1em;
  line-height: 1.6;
}

a {
  color: #0073e6;
  text-decoration: none;
  transition: all 0.3s;
}

a:hover {
  text-decoration: underline;
}

a.box {
  color: #0073e6;
  text-decoration: none;
  font-size: 1.2em;
  display: block;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  transition: background-color 0.3s;
}

a.box:hover {
  background-color: #f2f2f2;
}

ol {
  margin-left: 20px;
}

ul {
  padding: 0;
  margin-left: 40px;
}

footer {
  margin-top: 40px;
  border-top: 1px solid #ddd;
  padding-top: 10px;
  text-align: center;
}

footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
}

footer ul li {
  margin: 0 10px;
}

.icon {
  position: absolute;
  top: 10px;
  right: 10px;
}

.toc {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.toc h1 {
  font-size: 2em;
  text-align: center;
  margin-bottom: 20px;
}

.toc ul {
  list-style-type: none;
  max-width: 600px;
  margin: 0 auto;
}

.toc li {
  margin-bottom: 15px;
}

.toc a {
  font-size: 1.2em;
  display: block;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  transition: background-color 0.3s;
}

.toc a:hover {
  background-color: #f2f2f2;
}

.content {
  flex: 1;
}

.page {
  margin: 20px;
  background-color: #ffffff;
  color: #333333;
  position: relative;
  height: 100vh;
}