#theme-btn {
  position: fixed;
  top: 200px;
  left: 0;
  background-color: rgba(255, 255, 255, 0.85);
  color: #1a1a1a;
  width: 35px;
  height: 35px;
  line-height: 35px;
  text-align: center;
  -o-box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
  -ms-box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
  -moz-box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
  -webkit-box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
  z-index: 160;
}
#theme-btn:hover,
#theme-btn:active {
  text-decoration: none;
}
.themes-section {
  position: fixed;
  top: 240px;
  left: -500px;
  width: 200px;
  z-index: 160;
  -moz-transition-duration: 0.4s;
  -o-transition-duration: 0.4s;
  -webkit-transition-duration: 0.4s;
  transition-duration: 0.4s;
  visibility: hidden;
  opacity: 0;
  -o-box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
  -ms-box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
  -moz-box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
  -webkit-box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
  background-color: rgba(255, 255, 255, 0.85);
}
.themes-section.open {
  left: 0;
  visibility: visible;
  opacity: 1;
}
.themes {
  display: inline-block;
  width: 50px;
  height: 50px;
}
.themes.blue {
  background-color: #3498db;
}
.themes.dark-blue {
  background-color: #34495e;
}
.themes.gray {
  background-color: #95a5a6;
}
.themes.green {
  background-color: #2ecc71;
}
.themes.orange {
  background-color: #e67e22;
}
.themes.purple {
  background-color: #9b59b6;
}
.themes.red {
  background-color: #e74c3c;
}
.themes.yellow {
  background-color: #f1c40f;
}
.themes.default {
  background-color: #1abc9c;
}
.themes-header {
  color: grey;
  text-align: center;
}
.themes-header span {
  font-size: 18px;
}
.themes-colors {
  padding: 7px;
  text-align: center;
}
.box {
  padding: 10px;
  margin: 5px 0px;
}
.tooltip-demo {
  list-style: none;
}
.tooltip-demo li {
  float: left;
  margin-right: 20px;
  margin-bottom: 20px;
}