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