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