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