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