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