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