.product { margin: 40px 0;}
.product-tab { font-size: 0; border-bottom: 1px solid #FBCF00;}
.product-tab-item { width: 46%; display: inline-block; vertical-align: top; margin-right: 8%; text-align: left;}
.product-tab-item:nth-child(2n) { margin-right: 0; text-align: right;}

.product-content { margin: 75px 0;}
.product-item { width: 30.5%; margin-right: 4.25%; display: inline-block; vertical-align: top; margin-bottom: 30px;}
.product-item:nth-child(3n) { margin-right: 0;}
.product-photo { text-align: center;}
.product-item-row {}
.product-table { width: 100%; margin-top: 10px;}
.product-table tr td { padding: 6px; font-size: 16px; border-bottom: 1px solid #000; line-height: 160%;}
.product-table tr td:first-child { width: 140px; text-align: right; font-weight: bold; font-size: 14px;}
.product-table tr td.colspan { text-align: center; font-weight: normal;}
.product-table tr:last-child td { border-bottom: none; text-align:center;}

@media screen and (max-width:640px) {
  .product-table tr td:first-child { width: auto;}
  .product-item { width: 48%; margin-right: 4%;}
  .product-item:nth-child(3n) { margin-right: 4%;}
  .product-item:nth-child(2n) { margin-right: 0;}

  .product-content { margin: 20px 0;}
}

@media screen and (max-width:480px) {
  .product-tab-item { width: 100%; text-align: center; margin-bottom: 5px; margin-right: 0;}
  .product-tab-item:nth-child(2n) { text-align: center;}
  .product-item { width: 100%; margin-right: 0;}
  .product-item:nth-child(3n) { margin-right: 0;}
}