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