body,html{height:100%;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;background-color:#f8f8f8;overflow-x:hidden}.header,body,html{box-sizing:border-box}.header{position:absolute;top:0;left:0;width:100%;padding:20px;background-color:#0070f3;color:#fff;text-align:left;z-index:1000}.nav{display:flex;align-items:center}.nav a{margin:0 15px;color:#fff;text-decoration:none}.content-container{width:100%;max-width:700px;background-color:#fff;padding:20px;border-radius:8px;box-shadow:0 0 10px rgba(0,0,0,.1);box-sizing:border-box;margin:300px auto 0}