style.css

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

/*  Estilo da sidebar */
.book-summary {
	background-color: #162e48 !important;
	color: #FFFFFF !important;
}

/*  Estilo da sidebar */
.book .book-summary ul.summary li a, .book .book-summary ul.summary li.active > a {
	color: #ededed;
	font-weight: bold;
	background: 0 0;
	text-decoration: none;
}

.book .book-summary ul.summary li a:hover, .book .book-summary ul.summary li.active > a {
	color: #fff;
	background: 0 0;
	text-decoration: none;
}

.hexcurso{
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}

.book .book-summary ul.summary li.divider {
	height: 1px;
	margin: 7px 0;
	overflow: hidden;
	background: rgba(255, 255, 255, 0.3);
}

.book .book-body .page-wrapper {
	position: relative;
	outline: 0;
	background-color: #f4f4f4;
}

.book .book-body .page-wrapper .page-inner section.normal {
	display: block;
	word-wrap: break-word;
	overflow: hidden;
	color: #333;
	line-height: 1.7;
	text-size-adjust: 100%;
	-ms-text-size-adjust: 100%;
	-webkit-text-size-adjust: 100%;
	-moz-text-size-adjust: 100%;
	background-color: #f4f4f4;
}

.book .book-body .page-wrapper .page-inner section.normal pre {
	overflow: auto;
	word-wrap: normal;
	margin: 0 0 1.275em;
	padding: .85em 1em;
	background: #ececec;
}

.rmdcaution, .rmdimportant, .rmdnote, .rmdtip, .rmdwarning {
  padding: 1em 1em 1em 4em;
  margin-bottom: 10px;
  background: #f5f5f5 5px center/3em no-repeat;
}
.rmdcaution {
  background-image: url("images/caution.png");
}
.rmdimportant {
  background-image: url("images/important.png");
}
.rmdnote {
  background-image: url("images/note.png");
}
.rmdtip {
  background-image: url("images/tip.png");
}
.rmdwarning {
  background-image: url("images/warning.png");
}