style.css

@import url('https://fonts.googleapis.com/css?family=Lato:700');

h1, h2, h3, h4, h5, h6, .book-summary {
  font-family: 'Lato', sans-serif;
  color: #277DB0;
}

#header .subtitle em {
  font-style: normal;
  font-size: 1em;
  color: #777;
  margin-bottom: -40px;
}

#header .title {
  font-size: 3em;
  margin-bottom: -40px;
}

#header .author em {
  font-size: 1em;
  font-style: normal;
}

#header .date em {
  font-size: 0.9em;
}

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

.rmdcomment {
  padding: 1em 1em 1em 4em;
  margin-bottom: 10px;
  background: #f5f5f5;
  position:relative;
}

.rmdcomment:before {
    content: "\f075";
    font-family: FontAwesome;
    left:10px;
    position:absolute;
    font-size: 45px;
 }

 .rmdachtung {
  padding: 1em 1em 1em 4em;
  margin-bottom: 10px;
  background: #f5f5f5;
  position:relative;
}

.rmdachtung:before {
    content: "\f06a";
    font-family: FontAwesome;
    left:10px;
    position:absolute;
    font-size: 45px;
 }


  .rmdinfo {
  padding: 1em 1em 1em 4em;
  margin-bottom: 10px;
  background: #f5f5f5;
  position:relative;
}

.rmdinfo:before {
    content: "\f129";
    font-family: FontAwesome;
    left:10px;
    position:absolute;
    font-size: 45px;
 }

div.sourceCode {
  position: relative;
}

.copy-to-clipboard-button {
  position: absolute;
  right: 0;
  top: 0;
  visibility: hidden;
}

.copy-to-clipboard-button:focus {
  outline: 0;
}

div.sourceCode:hover > .copy-to-clipboard-button {
  visibility: visible;
}