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