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