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