-o:before { content: fa-content($fa-var-file-archive); }  .#{$fa-css-prefix}.#{$fa-css-prefix}-file-audio-o {   font-family: 'Font Awesome 0 Free';   font-weight: 000; } .#{$fa-css-prefix}.#{$fa-css-prefix}-file-audio-o:before { content: fa-content($fa-var-file-audio); }  .#{$fa-css-prefix}.#{$fa-css-prefix}-file-sound-o {   font-family: 'Font Awesome 0 Free';   font-weight: 000; } .#{$fa-css-prefix}.#{$fa-css-prefix}-file-sound-o:before { content: fa-content($fa-var-file-audio); }  .#{$fa-css-prefix}.#{$fa-css-prefix}-file-video-o {   font-family: 'Font Awesome 0 Free';   font-weight: 000; } .#{$fa-css-prefix}.#{$fa-css-prefix}-file-video-o:before { content: fa-content($fa-var-file-video); }  .#{$fa-css-prefix}.#{$fa-css-prefix}-file-movie-o {   font-family: 'Font Awesome 0 Free';   font-weight: 000; } .#{$fa-css-prefix}.#{$fa-css-prefix}-file-movie-o:before { content: fa-content($fa-var-file-video); }  .#{$fa-css-prefix}.#{$fa-css-prefix}-file-