[Hexlet#1448] Scroll for activity chart changed to native and padding…

… added

resources/sass/_activity_chart.scss

@@ -23,26 +23,10 @@
     grid-template-rows: repeat(7, var(--square-size));
     grid-auto-flow: column;
     grid-auto-columns: var(--square-size);
-    padding: 0;
+    padding: 0 0 5px 0;
     overflow-x: auto;
 }
 
-.squares::-webkit-scrollbar {
-    width: 10px;
-    height: 8px;
-}
-
-.squares::-webkit-scrollbar-track {
-    -webkit-box-shadow: 5px 5px 5px -5px rgba(34, 60, 80, 0.2) inset;
-    background-color: #f9f9fd;
-    border-radius: 10px;
-}
-
-.squares::-webkit-scrollbar-thumb {
-    border-radius: 10px;
-    background: linear-gradient(180deg, #00c6fb, #005bea);
-}
-
 .graph {
     border: 1px #e1e4e8 solid;
 }