body{
    margin: 0;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    padding: 10px;
}

#ans{
    line-height: 2;
}
#container{
    background: #f1f1f1;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 1px 1px 4px 4px rgba(0, 0, 0, 0.075);
}
#submit{
    padding: 10px 40px ;
    background: #000;
    color: #f1f1f1;
    border: none;
}