.logo_index{
  width: 100%;
  height: 120px;
  text-align:center;
  padding-bottom:20px;
  padding-top:20px;
  padding-left:5%;
  padding-right:5%;
  margin-top:20px;
}

.icon{
  float:left;
  width: 20%;
}

.index{
  float:left;
  height: 100px;
  width: 80%;
}

.index li {
  width: 15%;
  line-height: 40px;
  float: left;
  padding-bottom:20px;
  padding-top:20px;
  list-style:none;
}

.index a {
  font-size: 25px;
  color: gray;
  display: block;
  width: 100%;
  padding: 0 8px 0 8px;
  text-decoration: none;
  margin:0;
  text-align:center;
}

.header_clicked a{
	color:black;
	font-weight:bold;
}