@media screen {
  .book .book-body .page-wrapper .page-inner {
    background-color: #f0f0f0;
  }
}

.book .book-body .page-wrapper .page-inner {
  background-color: #f0f0f0;
}

body {
  background-color: #f8f8f8;
}

.book .book-body .body-inner {
  background-color: #f8f8f8;
}

.book .book-body .page-wrapper .page-inner section.normal h1.title {
  text-align: center;
}

h1 {
  color: #8B4513;
}

h2, h3, h4, h5, h6 {
  color: #5C4033;
}

p.caption {
  color: #771;
  margin-top: 10px;
}

p code {
  white-space: inherit;
}

pre {
  word-break: normal;
  word-wrap: normal;
}

pre code {
  white-space: inherit;
}

pre.sourceCode {
  background-color: #d3d3d3; 
  padding: 10px;
  border-radius: 5px;
  border: 1px solid #ddd;
}

pre.sourceCode code {
  background-color: #d3d3d3;
}
.book .book-body .page-wrapper .page-inner section.normal pre.output{
  background-color: #f1f1f1;
  padding: 10px;
  border-radius: 5px;
}