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