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