Add level, Finish nav, Fix hero

sass/components/components.sass

@@ -3,12 +3,12 @@
 @import "card"
 @import "grid"
 @import "highlight"
+@import "level"
 @import "media"
 @import "menu"
 @import "message"
 @import "modal"
 @import "nav"
-@import "navbar"
 @import "pagination"
 @import "panel"
 @import "tabs"

sass/components/level.sass

@@ -0,0 +1,57 @@
+.level-item
+  .title,
+  .subtitle
+    margin-bottom: 0
+  // Responsiveness
+  +mobile
+    &:not(:last-child)
+      margin-bottom: 10px
+
+.level-left,
+.level-right
+  .level-item
+    &:not(:last-child)
+      margin-right: 10px
+    // Modifiers
+    &.is-flexible
+      flex: 1
+
+.level-left
+  // Responsiveness
+  +mobile
+    & + .level-right
+      margin-top: 20px
+  +tablet
+    align-items: center
+    display: flex
+
+.level-right
+  // Responsiveness
+  +tablet
+    align-items: center
+    display: flex
+    justify-content: flex-end
+
+.level
+  @extend .block
+  align-items: center
+  justify-content: space-between
+  code
+    border-radius: $radius
+  img
+    display: inline-block
+    vertical-align: top
+  // Modifiers
+  &.is-mobile
+    display: flex
+    & > .level-item
+      &:not(:last-child)
+        margin-bottom: 0
+      &:not(.is-narrow)
+        flex: 1
+  // Responsiveness
+  +tablet
+    display: flex
+    & > .level-item
+      &:not(.is-narrow)
+        flex: 1

sass/components/nav.sass

@@ -11,12 +11,9 @@
     display: flex
     min-height: $nav-height
     width: 100%
-  +tablet
-    & > .container
-      & > .nav-left
-        margin-left: -10px
-      & > .nav-right
-        margin-left: -10px
+  // Modifiers
+  &.has-shadow
+    box-shadow: 0 2px 3px rgba($black, 0.1)
 
 .nav-toggle
   @extend .hamburger
@@ -54,10 +51,22 @@ a.nav-item
   // Modifiers
   &.is-active
     color: $link-active
+  &.is-tab
+    border-bottom: 1px solid transparent
+    border-top: 1px solid transparent
+    padding-left: 12px
+    padding-right: 12px
+    &:hover
+      border-bottom: 1px solid $link
+      border-top: 1px solid transparent
+    &.is-active
+      border-bottom: 3px solid $link
+      border-top: 3px solid transparent
+      color: $link
 
 .nav-tab
   align-items: center
-  border-bottom: 1px solid transparent
+  border: 1px solid transparent
   color: $text
   display: block
   height: $nav-height
@@ -85,7 +94,6 @@ a.nav-item
     .nav-item
       border-top: 1px solid rgba($border, 0.5)
       padding: 10px
-    // Modifiers
     &.is-active
       display: block
 
@@ -93,12 +101,20 @@ a.nav-item
   align-items: stretch
   display: flex
   flex: 1
+  justify-content: flex-start
   overflow: hidden
   overflow-x: auto
   white-space: nowrap
 
-.nav-right
+.nav-center
   align-items: stretch
+  display: flex
+  justify-content: center
+
+.nav-right
   // Responsiveness
   +tablet
+    align-items: stretch
     display: flex
+    flex: 1
+    justify-content: flex-end

sass/components/tabs.sass

@@ -69,7 +69,7 @@
         a
           background: $white
           border-color: $border
-          border-bottom-color: transparent
+          border-bottom-color: transparent !important
   &.is-fullwidth
     li
       flex: 1