body .logo {
    margin: 0 auto;
    display: block;
    width: 215px;
    height: 100px;
}

body .logo img {
    width: 215px;
    height: 100px;
}

body div {
    margin: 10px auto;
    padding: 20px 50px;
    background-color: lightgray;
    border-radius: 15px;
    /*min-width: 250px;*/
    max-width: 800px;
}

body .btn {
    display: block;
    width: 200px;
    margin: 20px auto;
    border-radius: 10px;
    padding: 10px;
    text-align: center;
    text-decoration: none;
    font-family: Lato, sans-serif;
    cursor: pointer;
    outline: 0;
    white-space: nowrap;
    font-size: 14px;
    height: 40px;
    line-height: 40px;
    background-color: #4074A4;
    color: #FFF;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    text-shadow: 1px 1px 1px rgba(0,0,0,.2);
}

@media (max-width: 640px) {
    body div {
        padding: 10px 10px;
    }
}