fix(scroll-nav-bar): inline-block element should have vertical-align top

#427

src/components/scroll-nav-bar/scroll-nav-bar.vue

@@ -156,6 +156,7 @@
       text-align: center
     .cube-scroll-content
       display: inline-block
+      vertical-align: top
     .cube-scroll-nav-bar-items
       white-space: nowrap
   .cube-scroll-nav-bar_vertical
@@ -168,6 +169,7 @@
     font-size: $fontsize-medium
   .cube-scroll-nav-bar-item
     display: inline-block
+    vertical-align: top
     padding: 20px 15px
   .cube-scroll-nav-bar-item_active
     color: $scroll-nav-active-color