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