*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    background:#0f172a;
    color:#ffffff;
    font-family:Arial, Helvetica, sans-serif;
    display:flex;
    justify-content:center;
    align-items:center;
    height:100vh;
}

.container{
    width:700px;
    text-align:center;
    padding:60px;
    background:#1e293b;
    border-radius:20px;
    box-shadow:0 20px 50px rgba(0,0,0,.5);
}

h1{
    font-size:56px;
    margin-bottom:20px;
}

p{
    font-size:22px;
    color:#cbd5e1;
    margin-bottom:40px;
}

.button{
    display:inline-block;
    background:#2563eb;
    color:white;
    padding:18px 40px;
    text-decoration:none;
    font-size:20px;
    border-radius:10px;
    transition:.3s;
}

.button:hover{
    background:#1d4ed8;
}

.version{
    margin-top:40px;
    color:#94a3b8;
    font-size:14px;
}