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