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