Вызов миксина @include, а "+" я в документации я не нашел._font-face@mixin font-face($font-family, $file-path, $weight: normal, $style: normal, $asset-pipeline: false )
@font-face
font-family: $font-family
font-weight: $weight
font-style: $style
@if $asset-pipeline == true
src: font-url('#{$file-path}.eot')
src: font-url('#{$file-path}.eot?#iefix') format('embedded-opentype'), font-url('#{$file-path}.woff') format('woff'), font-url('#{$file-path}.ttf') format('truetype')
@else
src: url('#{$file-path}.eot')
src: url('#{$file-path}.eot?#iefix') format('embedded-opentype'), url('#{$file-path}.woff') format('woff'), url('#{$file-path}.ttf') format('truetype')
_font@import "mixins/font-face"
+font-face("raleway", "../fonts/RalewayRegular/RalewayRegular")
+font-face("raleway", "../fonts/RalewayBold/RalewayBold", bold)
+font-face("raleway", "../fonts/RalewayExtraBold/RalewayExtraBold", 800)
+font-face("raleway", "../fonts/RalewayLight/RalewayLight", 300)
+font-face("raleway", "../fonts/RalewaySemiBold/RalewaySemiBold", 600)
+font-face("raleway", "../fonts/RalewayThin/RalewayThin", 100)
+font-face("firasans", "../fonts/FiraSansRegular/FiraSansRegular")