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