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