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