/// Abtstract/// Add alpha channel to a color/// @access public/// @param {Color} $color - color to work with/// @param {Number} $percentage - percentage of `$color` opacity/// @return {Color}@functionmixAlpha($color,$percentage){@returnrgba($color,$percentage);}/// Misc.with-icon-font{font-family:ForkAwesome,$font-family-base;}/// Tree/// (?) @TODO: More SASS structure (eg. exporting variables into component/// SASS files)/// For now we have cut-copy the rules here.right-handed.forest-layout{border-right:1pxsolid$body-bg;&:hover{border-right:1pxsolid$border-color;}}.left-handed.forest-layout{border-left:1pxsolid$body-bg;&:hover{border-left:1pxsolid$border-color;}}.forest-layout-teaser{background:linear-gradient(tobottom,mixAlpha($body-bg,0%)0%,mixAlpha($body-bg,100%)45%);}