.new-energy-box .tab-head {
  margin-top: 30px;
  margin-bottom: 50px;
}
.new-energy-box .tab-head ul li {
  width: 24.5%;
  display: inline-block;
  text-align: center;
  background-color: #d1d3d4;
  font-size: 1.1em;
}
@media screen and (max-width: 768px) {
  .new-energy-box .tab-head ul li {
    width: 100%;
    margin-bottom: 10px;
  }
}
.new-energy-box .tab-head ul li a {
  width: 100%;
  color: white;
  background-color: transparent;
}
.new-energy-box .tab-head ul li.active {
  background-color: #8f1c22;
}