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