Show the writer of poster when mouseover event occurs
Margin-top from poster to line
Delete <div blank>, apply margin-right to poster
Change background to #f0f0f0 and delete black background
Change the css for body and container for background-color when
expending
Mahagoo.commit reload
Rearrange the posters with padding & deletion background(black)
Merge branch 'feat/view' into dev/board