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