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