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