// Use 12-‐col layout at matching min-‐width. $media-‐layout: 30em; // At min 30em, use closest fitting layout. $media-‐layout: 30em 12; // At min 30em, use 12-‐col layout. $media-‐layout: 12 60em; // Use 12 cols up to max 60em. $media-‐layout: 30em 60em; // Between min 30em & max 60em, use closest layout. $media-‐layout: 30em 12 60em;// Use 12 cols between min 30em & max 60em. $media-‐layout: 60em 12 30em;// Same. Larger length will always be max-‐width. $media-‐layout : 12 lt-‐ie9; // Output is included under `.lt-‐ie9` class, // for use with IE conditional comments // on the <html> tag. മᴣ