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