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