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