@media only screen and (max-width: 1200px) { }

 @media only screen and (max-width: 991px) { }

 @media only screen and (max-width: 767px) { }

 @media only screen and (max-width: 600px) { 

    table {
        display: block;   
        width: 100%;
        overflow-x: auto;
    }
 }

 @media only screen and (max-width: 575px) { }