.header {
  overflow: hidden;
  position: fixed;
  background-color: #3d3d3d;
  z-index: 1;
  top: 0px;
  left: 0px;
  width: 100%;
} 
.header-logo {
  width: 70px;
  height: 70px;
  float: left;
  padding: 20px;
}
.header-list em{
  float: left;
  color: #ffffff;
  font-weight: 900;
}
.header-list a{
  color: #ffffff;
  cursor: pointer;
  display: block;
  float: left;
  padding: 43px 15px;
  text-align: center;
  text-decoration: none;
  background-color: #3d3d3d;
}
.header-list a:hover {
  background-color: #ff9600;
  color: black;
}
.header-list a.active {
  background-color: #00acca;
  color: black;
}
.header-list .menuicon {
  display: none;
  font-weight: bold;
}
@media screen and (max-width: 1042px) {
  .header-list a:not(:first-child) {
    display: none;
  }
  .header-list a.menuicon {
    display: block;
    padding: 43px 43px;
    float: right;
  }
  .header-list.open a {
    float: none;
    display: block;
    text-align: left;
  }
  .header-list.open .menuicon {
    position: absolute;
    right: 0;
    top: 0;
  }
}