Element block pseudo-element :before generated with font-size 16px box-sizing content-box transform margin 0px border 0px rgba(51,51,51,1) solid box-shadow 1px 1px 1px rgba(0,0,0,0.3) text-shadow background overflow hidden position static display block height auto border-radius transition z-index auto cursor default font-weight normal padding 20px width 160px float none line-height 1