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

body{
    font-family:Arial, Helvetica, sans-serif;
    background:#f5f5f5;
}

.container{
    width:90%;
    max-width:700px;
    margin:100px auto;
    background:#fff;
    padding:40px;
    border-radius:12px;
    text-align:center;
    box-shadow:0 10px 30px rgba(0,0,0,.1);
}

h1{
    color:#ff6b00;
    margin-bottom:20px;
}

p{
    margin:15px 0;
    color:#555;
}

button{
    background:#ff6b00;
    color:#fff;
    border:none;
    padding:12px 30px;
    border-radius:6px;
    cursor:pointer;
    font-size:16px;
}

button:hover{
    background:#e65c00;
}

#message{
    margin-top:20px;
    font-weight:bold;
    color:green;
}