.navbar{position:fixed;top:0;width:100%;background-color:#333;z-index:1000;height:auto;background-color:#fff}.navbar-logo{height:80px;width:auto;max-width:100%;object-fit:fill}.buttuon-hidden{display:none;margin-left:auto}@media (max-width:479px){.navbar-logo{margin-right:auto}.start-button-header{display:block;margin-left:auto;margin-top:10px}.buttuon-hidden{display:block;margin-left:40px}}