img 
{
    width: 100%;
    max-width: 800px;
    height: auto;
    display: block;
    transform: translateX(40%);
    position: absolute;
}

@media screen and (max-width:1000px) 
{
    img
    {
        transform: translateX(10%);
    }
}

@media screen and (max-width:700px) 
{
    img
    {
        transform: translateX(0%);
    }
}