// Function: Border // - @argument: $border-colorm $border-size(default is 1px), $border-style(default is 'solid') // - @returns 'border values according to @arguments // - use cases: // - defining a border without specifying default values // - passing semantic values as @arguments @function border($border-color, $border-size:1px, $border-style:solid){ @return #{$border-size} #{$border-style} #{$border-color}; }