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