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