Remove unnecessary semicolons in page.styl file (#2081)

Author: lex111

themes/vue/source/css/page.styl

@@ -104,7 +104,7 @@
     // FIX: For nested lists, the top margins on ul/ol
     // creates extra space at the top. (Issue: 1308)
     ul, ol
-      margin: 0;
+      margin: 0
   a
     color: $green
     font-weight: 600
@@ -195,7 +195,7 @@
 
 @media screen and (min-width: 1590px)
   #header
-    background-color: #fff;
+    background-color: #fff
 
 @media screen and (max-width: 1300px)
   .content.with-sidebar