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