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