.clearfix:after {
  content: ".";
  display: block;
  clear: both;
  visibility: hidden;
  line-height: 0;
  height: 0;
}
.clearfix {
  display: inline-block;
}
html[xmlns] .clearfix {
  display: block;
}
* html .clearfix {
  height: 1%;
}
#tab {
  width: 50px;
  height: 95px;
  position: fixed;
  left: 0px;
  top: 124px;
  display: block;
  cursor: pointer;
  background-color: rgba(42, 42, 42, 0.9);
  border-right: 3px solid #f78f1e;
  border-top: 3px solid #f78f1e;
  border-bottom: 3px solid #f78f1e;
}
.tab-text {
  color: #f78f1e;
  margin-top: 43px;
  -webkit-transform: rotate(-90deg);
  -moz-transform: rotate(-90deg);
  -ms-transform: rotate(-90deg);
  -o-transform: rotate(-90deg);
}
#panel {
  position: fixed;
  left: 0px;
  top: 115px;
  background-color: #c1c1c1;
  height: 190px;
  width: 0;
  /*new line*/

}
#panel .side-content {
  width: 270px;
  margin-left: 70px;
}
.index-wrapper {
  width: 100%;
  font-family: sans-serif;
  margin: 0 auto;
}
.index-wrapper .sidebar,
.index-wrapper .content {
  float: left;
  margin-left: 20px;
}
.index-wrapper .content {
  display: none;
  border: 0;
  margin-left: 329px;
}
.index-wrapper .sidebar {
  width: auto;
  margin-right: 30px;
}
.index-wrapper .sidebar h1 {
  font-size: 20px;
  color: #FFF;
  padding: 15px 0;
}
.index-wrapper .sidebar ul {
  margin: 0;
  padding: 0;
  list-style-type: none;
}
.index-wrapper .sidebar ul li {
  color: #FFF;
  padding-bottom: 5px;
  font-size: 13px;
  cursor: pointer;
}
.index-wrapper .sidebar ul li:hover {
  color: #F78F1E;
}
.index-wrapper .sidebar ul li span {
  color: orange;
  display: inline-block;
  padding-right: 7px;
  font-size: inherit;
}