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