.icon @extend .fa .icon-home @extend .fa-home .icon-search @extend .fa-search .icon-book @extend .fa-book .icon-caret-down @extend .fa-caret-down .icon-github @extend .fa-github .icon-bitbucket @extend .fa-bitbucket .icon-fire @extend .fa-fire .icon-circle-arrow-right @extend .fa-arrow-circle-right .icon-circle-arrow-left @extend .fa-arrow-circle-left