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