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