Fixed code block background color (#596)

Luiz F. A. de Prá

02.15.2021 ee806a669fb86216b4f5823ec32c3164f405b69f

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// Functions
// --------------------------
 
// Helper function which adds quotes to preserve unicode values in CSS output.
//
// See: https://github.com/sass/sass/issues/1395
// See: https://stackoverflow.com/questions/30421570/sass-unicode-escape-is-not-preserved-in-css-file
 
@function fa-content($fa-var) {
  @return unquote("\"#{$fa-var}\"");
}