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