This morning while browsing twitter, I've found a tweet from @davidkaneda : "Does anyone have a CSS trick (ahem, @chriscoyier) for changing font-weight based on available/used font?" And it gave me the idea of this small sass snippet. By the way, this is not what he meant. But it's still cool.

Sass_font_weight_snippet.scss

/* This morning while browsing twitter, I've found a tweet from @DavidKaneda : 
  "Does anyone have a CSS trick (ahem, @chriscoyier) for changing font-weight 
  based on available/used font?"
  
  And it gave me the idea of this small sass snippet. 
  By the way, this is not what he meant. But it's still cool. 
*/ 

$font: 'font-a';
$font: 'font-b';

@mixin fontWeight($font){
  @if($font == 'font-a'){
    font-weight: 900;
  }
  @else{
    font-weight: 600;
  }
}

p{
  @include fontWeight($font);
}