changed colors of build error/success messages to fit new color scheme, adjusted message positioning and added a white version of the close icon

assets/styles/_mixins/colors.sass

@@ -110,10 +110,10 @@ $color-bg-list-info: $yellow-light-2
 $color-text-list-info: $slate-yellow-1
 $color-shadow-list-info: $slate-yellow-2
 
-$color-bg-flash-success: #ebfcc2
-$color-bg-flash-notice: lightGoldenrodYellow
-$color-bg-flash-error: #f5d7d3
-$color-bg-flash-broadcast: #efefef
+$color-bg-flash-success: #7ea35a
+$color-bg-flash-notice: #a57829
+$color-bg-flash-error: #a53230
+$color-bg-flash-broadcast: #55777f
 
 $ansi-black: #4E4E4E
 $ansi-black-bold: #7C7C7C

assets/styles/app/flash.sass

@@ -1,15 +1,13 @@
 @import "_mixins/all"
 
 .flash
-  color: gray
+  color: #fff
   font-weight: bold
 
   li
     position: relative
-    margin: -20px -40px 20px -30px
+    margin: -10px -40px 20px -30px
     padding: 15px 60px 15px 30px
-    @include box-shadow(transparent 0 0 0 0, $color-border-normal 0 1px 6px 0, transparent 0 0 0 0, transparent 0 0 0 0)
-    border-bottom: 1px solid $color-border-light
 
     a
       text-decoration: underline
@@ -36,7 +34,6 @@
     right: 30px
     width: 16px
     height: 16px
-    background: inline-image('ui/close.png') no-repeat 0 0
-    opacity: 0.5
+    background: inline-image('ui/close-white.png') no-repeat 0 0
     cursor: pointer