@media screen and (max-width:755px) {
    .conv_table {
        display:block;
    }
    
    .conv_table tr {
        display:inline-block;
        width:120px;
        height:auto !important;
    }
    
    .conv_table th {
        /*width:110px;*/
        display:inline-block;
    }
    
    .conv_table th, td {
        width:100% !important;
        display:inline-block;
    }
    
    td[data-row="canvas"],th[data-row="canvas"] {
        display:none;
    }
 }