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