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