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