html,body{scroll-behavior:smooth;max-width:100vw;font-family:roboto;overflow-x:hidden}body{color:#555;background-color:#fff}*{box-sizing:border-box;margin:0;padding:0}a{color:inherit;text-decoration:none}.messenger{justify-content:center;align-items:center;height:100vh;display:flex;position:absolute}.messenger i{color:#09f;background-color:#fff;border-radius:10px 0 0 10px;padding:1rem;font-size:80px;position:fixed;right:0}@media (max-width:768px){.messenger i{font-size:50px}}