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