Fix container

sass/elements/other.sass

@@ -5,13 +5,13 @@
   position: relative
   +desktop
     margin: 0 auto
-    max-width: $desktop - 40px
+    max-width: $desktop - 40px // 960px
     // Modifiers
     &.is-fluid
-      margin: 0 1.5rem
+      margin: 0 20px
       max-width: none
   +widescreen
-    max-width: $widescreen - 40px
+    max-width: $widescreen - 40px // 1152px
 
 .delete
   +delete

sass/elements/title.sass

@@ -18,7 +18,7 @@ $subtitle-weight:   $weight-light !default
   strong
     font-weight: $title-weight-bold
   .tag
-    vertical-align: bottom
+    vertical-align: middle
 
 .title
   color: $title

sass/utilities/mixins.sass

@@ -185,8 +185,10 @@
 // Responsiveness
 
 $tablet: 769px !default
-$desktop: 1000px !default
-$widescreen: 1240px !default
+$desktop: 1000px !default // 960px container + 40px
+$widescreen: 1192px !default // 1152px container + 40
+// 960 and 1152 have been chosen because
+// they are divisible by both 12 and 16
 
 =from($device)
   @media screen and (min-width: $device)