refactor(docs-evergreen): Re-skin on this page section (#1283)

* refactor(docs-evergreen): Re-skin on this page section

* fix: colors

Author: jedrzejchalubek

src/_sass/components/_destination-menu.scss

@@ -2,7 +2,7 @@
   &__title {
     font-weight: 500;
     padding-bottom: 10px;
-    font-size: 14px;
+    font-size: 12px;
   }
 
   &__list {

src/_sass/components/_menu-side.scss

@@ -12,13 +12,13 @@
 
   &__link {
     display: block;
-    font-size: 14px;
-    color: color(gray-700);
+    font-size: 12px;
+    color: color(gray-600);
     line-height: 1.25;
 
     &:hover {
       text-decoration: none;
-      color: color(gray-800);
+      color: color(gray-700);
     }
 
     &--active {