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