*{
    box-sizing:border-box;
    margin:0;
    padding:0;
    font-family:Arial,Helvetica,sans-serif;
}

body{
    background:#f2f2f2;
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
}

.container{
    width:320px;
    background:#fff;
    padding:16px;
    border-radius:10px;
    box-shadow:0 4px 10px rgba(0,0,0,.1);
}

h2{
    font-size:18px;
    text-align:center;
    margin-bottom:12px;
}

label{
    display:block;
    font-size:14px;
    margin:8px 0 4px;
}

input{
    width:100%;
    padding:7px;
    font-size:14px;
    border:1px solid #ccc;
    border-radius:6px;
}

input:focus{
    outline:none;
    border-color:#4a90e2;
}

button{
    width:100%;
    margin-top:12px;
    padding:8px;
    font-size:15px;
    background:#4a90e2;
    color:#fff;
    border:none;
    border-radius:6px;
    cursor:pointer;
}

button:hover{
    background:#357abd;
}

.message{
    width:320px;
    margin:20px auto;
    padding:10px;
    background:#e7f4e4;
    border-radius:8px;
    font-size:14px;
    text-align:center;
}