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