body{
    background:#f4f7fb;
    font-family:Arial;
}

.container{
    width:600px;
    margin:60px auto;
}

.card{
    background:#fff;
    padding:40px;
    border-radius:12px;
    box-shadow:0 5px 25px rgba(0,0,0,0.1);
}

h1{
    color:#1b2a4e;
}

input{
    width:100%;
    padding:12px;
    margin-top:20px;
}

button{
    background:#1b2a4e;
    color:#fff;
    border:none;
    padding:12px 25px;
    margin-top:20px;
    cursor:pointer;
    border-radius:6px;
}

.msg{
    margin-top:20px;
    color:green;
    font-weight:bold;
}