.header{max-width:100%;margin:0 auto;text-align:left}.top-nav a{text-decoration:none;color:#092246}#logo{height:50px;margin-left:0;margin-top:0}.top-nav{max-width:100%;box-sizing:border-box;display:flex;justify-content:space-between;align-items:center;position:relative}.logo{font-size:24px;font-weight:bold;color:#333}.title-nav{position:absolute;left:50%;transform:translateX(-50%);top:10%;font-size:30px;font-family:'Times New Roman',Times,serif;font-weight:700}.auth-buttons{display:flex;gap:5px;align-items:center}button.sign-in,button.get-started,button.sign-out{padding:10px 15px;border:1px solid #000;font-size:16px;cursor:pointer;border-radius:5px}button.sign-in,button.sign-out{background-color:#fff;color:#333;transition:all .3s ease}button.sign-in:hover{background-color:#f4f4f4}button.get-started{background-color:#092246;color:#fff;transition:all .3s ease}button.get-started:hover{background-color:#005fa3}.main-nav{max-width:100%;box-sizing:border-box;display:flex;gap:10px;justify-content:center;background-color:#092246;padding:10px 0;margin-top:10px}button.nav-button{background:0;border:0;color:#fff;padding:10px 20px;cursor:pointer;font-size:16px}button.nav-button.active{background-color:#f0f0f0;color:#0077b6}.container_nav{width:100%;box-sizing:border-box;margin:0 auto;padding:20px;box-shadow:0 0 10px rgba(0,0,0,0.1);background-color:white;border-radius:0}