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