Element block pseudo-element :after generated with z-index auto box-sizing content-box background margin 0px padding 20px float none width 160px height auto display block position static font-weight normal border 0px rgba(0,0,0,1) solid overflow hidden cursor default font-size 16px text-shadow 4px 1px 1px rgba(0,0,0,0.2) transition line-height 1 transform box-shadow 1px 1px 1px rgba(0,0,0,0.3) border-radius