=basic-font($text-rendering: true) font-family: $basic-sans-serif *font-family: $basic-legacy-ie-sans-serif @if $text-rendering text-rendering: optimizelegibility =sans-serif($text-rendering: true) font-family: $basic-sans-serif *font-family: $basic-legacy-ie-sans-serif @if $text-rendering text-rendering: optimizelegibility =bold-ja($text-rendering: true) font-family: $basic-bold-sans-serif *font-family: $basic-legacy-ie-sans-serif font-weight: bold @if $text-rendering text-rendering: optimizelegibility font-style: italic =serif($text-rendering: true) font-family: $basic-serif *font-family: $basic-legacy-ie-sans-serif @if $text-rendering text-rendering: optimizelegibility