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