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