body {
    background: #e5e5e5;
}

#oer_canvas {
    background: #fff;
    padding: 20px;
}

#hmenu {
    display: none;
}

#oer_canvas {
    min-height: 500px;
}

#mobile-rotate-landscape {
    display: none;
}

/*
#oer_instruction {
    padding:0;
}
*/

@media screen and (max-width: 430px) {
    #mobile-rotate-landscape {
        display: block;
        border: 4px solid #d9c49d;
        border-radius: 10px;
        background: #ffeac3;
        padding: 5px;
        text-align: center;
    }
}