Element block pseudo-element :before generated with font-size 16px transform margin 0px cursor default box-sizing content-box box-shadow 0px 0px 1px rgba(255,255,255,0.6) line-height 1 height auto background width 100% float none display block transition border-radius padding 15px text-shadow 0px 1px 0px rgba(255,255,255,0.6) border 1px rgba(0,0,0,0.3) solid overflow hidden z-index auto outline none font-weight normal position relative opacity 1