Add control colors, Add titles em, Add centered grid, Remove header-center

bulma/elements/controls.sass

@@ -26,6 +26,15 @@
       +placeholder
         color: rgba($control, 0.3)
 
+=form-control
+  +control
+  @each $name, $pair in $colors
+    $color: nth($pair, 1)
+    $color-invert: nth($pair, 2)
+    &.is-#{$name}
+      border-color: $color
+      color: $color
+
 =control-small
   border-radius: 2px
   font-size: 11px
@@ -44,7 +53,7 @@
   padding: 3px 12px
 
 .input
-  +control
+  +form-control
   box-shadow: inset 0 1px 2px rgba(black, 0.1)
   display: block
   max-width: 100%
@@ -92,7 +101,7 @@
   position: relative
   vertical-align: top
   input
-    +control
+    +form-control
     border-radius: 1px
     box-shadow: inset 0 1px 1px rgba(black, 0.1)
     cursor: pointer
@@ -153,7 +162,7 @@
   position: relative
   vertical-align: top
   select
-    +control
+    +form-control
     cursor: pointer
     display: block
     outline: none
@@ -171,6 +180,12 @@
     &:after
       border-color: $link-hover
 
+.label
+  color: $text-strong
+  display: block
+  &:not(:last-child)
+    margin-bottom: 5px
+
 .control
   position: relative
   text-align: left