update product desc

@@ -83,8 +83,36 @@ overflow: hidden;
                   margin-right: 2px;
                   margin-right: 2px;
               }
               }
               .swiper-pagination-bullet-active {
               .swiper-pagination-bullet-active {
-                background-color: #000;
-            }
+                 background-color: #000;
+              }
+
+               .swiper-button-prev,
+               .swiper-button-next {
+                 position: absolute;
+                 top: 50%;
+                 width: pxToRem(48px);
+                 height: pxToRem(48px);
+                 margin-top: pxToRem(-44px);
+                 cursor: pointer;
+                 z-index:10;
+                 -moz-background-size: pxToRem(48px) pxToRem(48px);
+                 -webkit-background-size: pxToRem(48px) pxToRem(48px);
+                 background-size: pxToRem(48px) pxToRem(48px);
+                 background-position: center;
+                 background-repeat: no-repeat;
+               }
+
+               .swiper-button-next.swiper-button-grey {
+                 background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M27%2C22L27%2C22L5%2C44l-2.1-2.1L22.8%2C22L2.9%2C2.1L5%2C0L27%2C22L27%2C22z'%20fill%3D'%23f0f0f0'%2F%3E%3C%2Fsvg%3E");
+                 right: pxToRem(30px);
+                 left: auto;
+               }
+
+               .swiper-button-prev.swiper-button-grey {
+                 background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M0%2C22L22%2C0l2.1%2C2.1L4.2%2C22l19.9%2C19.9L22%2C44L0%2C22L0%2C22L0%2C22z'%20fill%3D'%23f0f0f0'%2F%3E%3C%2Fsvg%3E");
+                 left: pxToRem(30px);
+                 right: auto;
+               }
         }
         }
 
 
     }
     }