mobile: Change width to be considered a small device
mobile: Change width to be considered a small device

640px -> 720px

doortts/fork-yobi,doortts/fork-yobi,bloodybear/yona,yona-projects/yona,doortts/fork-yobi,doortts/fork-yobi,bloodybear/yona,yona-projects/yona,bloodybear/yona,bloodybear/yona,yona-projects/yona,yona-projects/yona