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