html {
    height: 100%;
}
body {
    height: 100%;
}

.notes {
    font-size: 0.8rem;
    padding: 10px 20px;
}
@media (min-width: 1024px) {
    body {
        background: url(../images/background.jpg);
        background-repeat: no-repeat;
        background-size: cover;
        background-attachment: fixed;
        background-position: center -400px;
    }

    .container {
        padding: 20px;
        background: rgba(255, 255, 255, .9);
        border-radius: 10px;
        box-shadow: 0 0 4px rgba(0, 0, 0, .3);
        margin-top: 20px;
        margin-bottom: 20px;
    }
}