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