.app-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;margin:0;font-family:Arial,sans-serif}.header{text-align:center}.title{font-size:3rem;color:#333;margin-bottom:.5rem}.subtitle{font-size:1.5rem;color:#666;margin-bottom:2rem}.social{display:flex;justify-content:center;gap:1.5rem;margin-top:1rem}.social a{text-decoration:none;font-size:1.2rem;color:#0077b5;border:2px solid transparent;padding:.5rem 1rem;transition:all .3s ease;border-radius:5px}.social a:hover{color:#fff;background-color:#2a79a4;border-color:#0077b5}