Element block pseudo-element :before generated with z-index auto position absolute height auto transition border-radius box-shadow 0px 1px 1px rgba(0,0,0,0.56) overflow hidden font-size 16px border 0px rgba(0,0,0,1) solid width 160px font-weight normal background float none line-height 1 margin 0px cursor default box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform display inline-block padding 20px