body {
    margin-top: 60px;
}

#main {
    border: 1px solid #000000;
    padding: 18px;
    width: 660px;
    margin: 0 auto;
    display: block;
    position: relative;
}

#main h1 {
    font-size: 20px;
    color: red;
    margin-left: 64px;
    margin-bottom: 0;
    padding-bottom: 0;
}

#main h2 {
    font-size: 14px;
    margin-left:131px;
    margin-top: 0;
    padding-top: 0;
    padding-bottom: 0;
    margin-bottom: 68px;
}

#logo {
    display:block;
    position: absolute;
    top: -61px;
    left: -78px;
    padding: 20px;
    background:#ffffff;
}

#logo-small {
    display:none;
    position: absolute;
    top: -31px;
    left: -36px;
    padding: 20px;
    background:#ffffff;
}

@media(max-width: 900px) {
    #main {
        width: 80%;
    }
    
    #logo {
        display: none;
    }
    
    #logo-small {
        display: block;
    }
    
    body {
        margin-top: 30px;
    }
}