body{box-sizing:border-box;font-family:sans-serif;background-color:#ededed93}.container{min-height:100vh;box-sizing:border-box}.mainwindow{margin:20% auto auto;background-color:#fff;padding:30px;max-width:400px;width:98%;box-shadow:0 0 10px #d6d6d6;text-align:center;box-sizing:border-box}.image{display:flex;justify-content:center;margin:0 auto}.button{margin:50px 0 20px}.button a{background-color:#fffc00;padding:13px 100px;border-radius:20px;text-decoration:none;font-weight:700;margin:20px 0}.button button{background-color:#fffc00;padding:13px 100px;border-radius:20px;text-decoration:none;font-weight:700;border:none}@media only screen and (min-width: 600px){.mainwindow{margin-top:10%}}