Change slider border color

src/scss/utils/slider.scss

@@ -64,7 +64,7 @@
 
 .slider__item .card {
   background: #fff;
-  border: 1px solid #d7d7d7;
+  border: 1px solid #fff;
   border-radius: 5px;
   box-sizing: border-box;
   color: #fff;