.btn {
  background-color: #4caf50;
  border: none;
  color: white;
  padding: 10px 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
}
.btn-block {
  display: block;
  width: 100%;
}
.btn-primary {
  background-color: #4646b4;
  color: #fff;
}
.btn-danger {
  background-color: #dc3545;
  color: #fff;
}

.side-box {
  border: 1px solid #e5e5e5;
  margin-bottom: 20px;
  background-color: #fff;
}
.side-box-header {
  background-color: #f5f5f5;
  padding: 10px 20px;
  font-size: 16px;
  font-weight: bold;
}
.side-box-body {
  padding: 20px;
}

.label-ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.label-ul li {
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-justify-content: flex-start;
     -moz-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
  margin-bottom: 15px;
}
.label-ul li:last-child {
  margin-bottom: 0;
}
.label-ul-label {
  margin-right: 10px;
  min-width: 40px;
  white-space: nowrap;
  color: #007aff;
  font-weight: bold;
}
.label-ul-info {
  -webkit-flex: 1 1 auto;
     -moz-box-flex: 1;
      -ms-flex: 1 1 auto;
          flex: 1 1 auto;
}

.dlownload-ul {
  list-style: none;
  padding: 0;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-justify-content: space-between;
     -moz-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-align-items: center;
     -moz-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.dlownload-ul li {
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: center;
     -moz-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.dlownload-ul img {
  width: 20px;
  height: 20px;
}

.side-thumb-item {
  width: 100%;
  margin-bottom: 20px;
}
.side-thumb-item:last-child {
  margin-bottom: 0;
}
.side-thumb-item-thumb {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.side-thumb-item-thumb img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  display: block;
  -webkit-transition: all 0.4s ease-in-out;
  -o-transition: all 0.4s ease-in-out;
  -moz-transition: all 0.4s ease-in-out;
  transition: all 0.4s ease-in-out;
}
.side-thumb-item-title {
  text-align: center;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  -o-text-overflow: ellipsis;
     text-overflow: ellipsis;
  white-space: normal;
  margin-top: 10px;
}
.side-thumb-item:hover .side-thumb-item-thumb img {
  -webkit-transform: scale(1.1);
     -moz-transform: scale(1.1);
      -ms-transform: scale(1.1);
       -o-transform: scale(1.1);
          transform: scale(1.1);
}

.product-detail-swiper .swiper {
  width: 100%;
}
.product-detail-swiper .swiper-thumb .swiper-slide {
  opacity: 0.5;
  -webkit-transition: all 0.4s ease-in-out;
  -o-transition: all 0.4s ease-in-out;
  -moz-transition: all 0.4s ease-in-out;
  transition: all 0.4s ease-in-out;
  cursor: pointer;
}
.product-detail-swiper .swiper-thumb .swiper-slide-thumb-active {
  opacity: 1;
}

.product-detail .container-left {
  background-color: #fff;
  border: 1px solid #e5e5e5;
  padding-top: 20px;
  padding-bottom: 20px;
}

.product-detail-img-item {
  width: 100%;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-justify-content: flex-start;
     -moz-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
}
.product-detail-img-item-thumb {
  width: 300px;
  background-color: #e5e5e5;
}
.product-detail-img-item-thumb img {
  width: 100%;
  height: auto;
  -o-object-fit: cover;
     object-fit: cover;
  display: block;
}
.product-detail-img-item-info {
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-justify-content: center;
     -moz-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  padding: 20px;
  margin-left: 5px;
  -webkit-flex-direction: column;
     -moz-box-orient: vertical;
     -moz-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  background-color: #e5e5e5;
}