gistfile1.txt

//breakpoint
$tablet: new-breakpoint(min-width 450px);
 
header {
     .logo {
          @include outer-container()
          @include media(tablet) {
             @include span-columns(6)
          }
 
      nav {
          @include outer-container() 
          @include media(tablet){
             @include span-columns(6)
          }
      }
      }
}