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