body{font-family:Arial;background:#f5f5f5}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.card{background:#fff;padding:15px;text-align:center;cursor:pointer}
.cart{position:fixed;right:0;top:0;width:250px;background:#fff;height:100%}
.login-box{width:300px;margin:auto;margin-top:100px;text-align:center}
.logo{height:50px}