html{font-size:16px;word-spacing:1px;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;background:#fff;box-sizing:border-box}*,:after,:before{box-sizing:border-box;margin:0}main{min-height:720px}