p.caption {
  color: #777;
  margin-top: 10px;
}
p code {
  white-space: inherit;
}
pre {
  word-break: normal;
  word-wrap: normal;
}
pre code {
  white-space: inherit;
}

.watermark {
  opacity: 0.3;
  position: fixed;
  top: 50%;
  left: 50%;
  font-size: 600%;
  color: #606099;
  z-index: 1000000;
}

.book .book-body .page-wrapper .page-inner {
  max-width: 80%;
}

.filrouge {
  padding: 1em;
  border: 2px solid red;
  border-radius: 10px;
  /*background: #FFFFFF 5px center/3em no-repeat;*/
  margin-bottom: 1.2em;
}

.exercise{
  color: red;
}

.Rchunk {
  background-color: #f2dede !important;
  font-weight: bold;
  /*color: red;*/
}

.Rout {
  background-color: #d9edf7 !important;
  font-weight: bold;
  /*color: blue;*/
}