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