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