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