fix($core): update outbound link icon alignment

gtsiolis · gtsiolis · commit 4d1ac0f16616 · 2019-02-24T17:30:33.000+02:00
diff --git a/packages/@vuepress/core/lib/app/components/OutboundLink.vue b/packages/@vuepress/core/lib/app/components/OutboundLink.vue
@@ -9,4 +9,7 @@
 .icon.outbound
   color #aaa
   display inline-block
+  vertical-align middle
+  position relative
+  top -1px
 </style>
