New selected class name for dna-engine

Author: pilafmon

src/css/layouts/block-duo.css

@@ -135,7 +135,7 @@ body >footer >p a i.font-icon {
 /* Block Duo layout -- customize colors */
 main >section:nth-child(1) { color: white;     background-color: steelblue; }
 main >section:nth-child(2) { color: gainsboro; background-color: black; }
-nav.dna-menu[data-style=flat-tabs]               { background-color: dimgray; }
-nav.dna-menu[data-style=flat-tabs] span.selected { background-color: darkgray; }
-nav.dna-menu[data-style=flat-tabs] span:hover    { background-color: darkgray; }
-nav.dna-menu[data-style=flat-tabs]+.dna-panels   { border-color:     darkgray; }
+nav.dna-menu[data-style=flat-tabs]                   { background-color: dimgray; }
+nav.dna-menu[data-style=flat-tabs] span.dna-selected { background-color: darkgray; }
+nav.dna-menu[data-style=flat-tabs] span:hover        { background-color: darkgray; }
+nav.dna-menu[data-style=flat-tabs]+.dna-panels       { border-color:     darkgray; }