.header {
  position: relative;
  height: 80px;
  background: #2196F3;
  color: white;
  border-bottom: solid 1px #eee;
  box-shadow: 0 3px 2px -2px rgba(200,200,200,.2);
  z-index: 2;
}
.header img {
  float: left;
  display: block;
  height: 50px;
  margin: 15px;
}
.chapter.done {
  position: relative;
}
.chapter.done i {
  display: inline !important;
}
.mybtn {
  float: right;
  display: block;
  margin: 30px 0;
  font-size: 16px;
  color: #fff;
  text-transform: uppercase;
  font-family: 'Concert One', cursive;
}
.switch {
  float: right;
  margin: 10px 0;
  transform: scale(.5);
}
#container {
  float: right;
  position: relative;
  /*
  position: absolute;
  top: 0;
  right: 0;
  */
  margin: 32px;
  width: 400px;
  height: 8px;
}

.book-summary {
  top: 80px;
}

.book-body {
  top: 80px;
}

img:not(.logo):not([src^="http"]) {
    display: block;
    width: 500px;
    margin: 0 auto;
}

/* FANCY LINKS */

p > a > strong > em,
p > a > em > strong {
  display: inline-block;
  width: calc(100% - 20px);
  margin: 5px 10px;
  padding: 10px 20px;
  border-radius: 4px;
  border: solid 1px #2196F3;
  font-weight: normal !important;
  font-style: normal !important;
  color: #2196F3;
}

p > a > strong > em:hover,
p > a > em > strong:hover {
  background: #eee;
  text-decoration: none !important;
}

p > a > strong > em:before,
p > a > em > strong:before {
  font-family: FontAwesome;
  font-size: 20px;
  content: "\f104\00a0\00a0\00a0";
  color: #2196F3;
}

p > a[href^="http"] > strong > em:before,
p > a[href^="http"] > em > strong:before {
   content: "\f22d\00a0\00a0\00a0";
}

/* CHECKBOX */

.cmn-toggle {
  position: absolute;
  margin-left: -9999px;
  visibility: hidden;
}
.cmn-toggle + label {
  display: block;
  position: relative;
  cursor: pointer;
  outline: none;
  user-select: none;
}

input.cmn-toggle-round-flat + label {
  padding: 2px;
  width: 120px;
  height: 60px;
  background-color: #FC6E51;
  border-radius: 60px;
  transition: background 0.4s;
}
input.cmn-toggle-round-flat + label:before,
input.cmn-toggle-round-flat + label:after {
  display: block;
  position: absolute;
  content: "";
}
input.cmn-toggle-round-flat + label:before {
  top: 2px;
  left: 2px;
  bottom: 2px;
  right: 2px;
  background-color: #FC6E51;
  border-radius: 60px;
  transition: background 0.4s;
}
input.cmn-toggle-round-flat + label:after {
  top: 4px;
  left: 4px;
  bottom: 4px;
  width: 52px;
  background-color: #fff;
  border-radius: 52px;
  transition: margin 0.4s, background 0.4s;
}
input.cmn-toggle-round-flat:checked + label {
  background-color: #A0D468;
}
input.cmn-toggle-round-flat:checked + label:before {
  background-color: #A0D468;
}
input.cmn-toggle-round-flat:checked + label:after {
  margin-left: 60px;
  background-color: #fff;
}