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