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