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