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