li[data-attribute=tab-header].active > div > a {
  font-weight: 700;
}

li[data-attribute=tab-item] {
  height: 100%;
  display: none;
  position: relative;
  box-shadow: 0px -15px 15px -5px #F6F7F8;
}
li[data-attribute=tab-item]::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  transform: translate(-50%, -100%);
  width: 0;
  height: 0;
  border-left: 20px solid transparent;
  border-right: 20px solid transparent;
  border-bottom: 20px solid #FFFFFF;
}
li[data-attribute=tab-item].active {
  display: block;
}

@media (min-width: 992px) {
  li[data-attribute=tab-item] {
    box-shadow: -36px 6px 33px -18px #F6F7F8;
  }
  li[data-attribute=tab-item]::before {
    left: 0;
    top: 50%;
    transform: translate(-100%, -50%);
    border-top: 20px solid transparent;
    border-bottom: 20px solid transparent;
    border-right: 20px solid #FFFFFF;
  }
}