div.container
{
    background-color: #e9e8e8;
    width:100%;
    border:none;
    text-align: center;
}
.button {
    background-color: #4CAF50;
    border: none;
    border-radius: 16px;
    width: 70%;
    color: #ffffff;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 18px;
    margin: 4px 2px;
    cursor: pointer;
}
.input {
    width: 90%;
    text-align: center;
    margin: 4px 2px;
}