add

src/main/resources/static/css/product/instruement.css

@@ -8,7 +8,7 @@
     .normal-nav{margin-top: 10px}
     .top-category{overflow: hidden;}
     .instrue-left .top-category .normal-nav .nav-list:hover{color:#e15616;transform:translateY(-5px);box-shadow:0 8px 8px rgba(102,102,102,0.05), 0 10px 10px rgba(102,102,102,0.05), 0 12px 12px rgba(102,102,102,0.05);}
-    .instrue-left .top-category .normal-nav .nav-list {border:1px solid #fff;float: left;margin: 0 16px 16px 0;width: 132px;height: 104px;background: #fff;text-align: center;color: #4a4f58;font-size: 16px;cursor: pointer;transition: all 0.4s}
+    .instrue-left .top-category .normal-nav .nav-list {border:1px solid #fff;float: left;margin: 0 16px 16px 0;width: 132px;height: 88px;background: #fff;text-align: center;color: #4a4f58;font-size: 14px;cursor: pointer;transition: all 0.4s}
     .instrue-left .top-category .normal-nav .nav-list a{padding: 0 10px;text-align: center;display: block;line-height: 22px;}
     .instrue-left .top-category .normal-nav .nav-list.active {border: 1px solid #e15616;color: #e15616;}
     .instrue-right {float: right;width: 252px;background: #fff;padding: 16px;margin-top: 10px;min-height: 343px;overflow: auto;}