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