Element block pseudo-element :after generated with transition float none position static overflow hidden font-size 16px cursor default margin 0px transform box-sizing content-box font-weight normal line-height 1 padding 20px border-radius display block background z-index auto height auto width 160px text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3) border 0px rgba(0,0,0,1) solid