body {
    font-family: "Roboto";
    background-color: white;
    padding-left: 40px;
    padding-right: 40px;
}

.button {
    background-color: green;
    border: none;
    color: white;
    padding: 10px 17px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 20px;
    margin: 4px 2px;
    cursor: pointer;
}

.address_block {
    font-size: 80%;
    line-height: 80%;
}

img[src$='#center']
{
    display: block;
    margin: 0.7rem auto; /* you can replace the vertical '0.7rem' by
                            whatever floats your boat, but keep the
                            horizontal 'auto' for this to work */
}


.main_body {
}