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