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