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