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