body{
    font-family: Arial, sans-serif;
    background:#f2f2f2;
    padding:20px;
}
.container{
    max-width:600px;
    margin:0 auto;
    background:#fff;
    padding:20px;
    border-radius:8px;
    box-shadow:0 0 10px rgba(0,0,0,0.1);
}
textarea,input{
    width:100%;
    padding:8px;
    margin-bottom:10px;
}
button{
    padding:10px 15px;
    background:#000;
    color:#fff;
    border:none;
    cursor:pointer;
}
button:hover{
    background:#444;
}