css: Fix problem that some layout covers button on mobile view
css: Fix problem that some layout covers button on mobile view

See: Yona Github issue #244

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