#introduction .nav {
  overflow: hidden;
  overflow-x: auto;
  -ms-flex-wrap: nowrap;
      flex-wrap: nowrap;
}

#introduction .nav::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

#introduction .nav::-webkit-scrollbar-track {
  -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
  border-radius: 100px;
  background: rgba(0, 0, 0, 0.1);
}

#introduction .nav::-webkit-scrollbar-thumb {
  border-radius: 100px;
  -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
  background-color: #d1d5db;
}

.mxh-350 {
  max-height: 350px;
}

.mxh-300 {
  max-height: 300px;
}

#product #feature .card-text {
  overflow: hidden;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-line-clamp: 13;
  -webkit-box-orient: vertical;
  white-space: normal;
}

#introduction .nav-link {
  white-space: nowrap;
}

#introduction .tab-content ol,
#introduction .tab-content ul {
  padding-left: 2rem;
}

#introduction .tab-content ul li {
  list-style-type: disc;
}

#introduction .tab-content ol li {
  list-style-type: decimal;
}

#relative .slider img {
  height: 250px;
  -o-object-fit: cover;
     object-fit: cover;
  width: 100%;
}

#relative .card-title {
  height: 48px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}