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