body, table, td, th, a {
    background: #fff;
    font-family: verdana,helvetica,arial;
    line-height: 175%
}
.button {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 24px;
    margin: 4px 2px;
    cursor: pointer;
}