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