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