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