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