@media (max-width: 1520px) {
    .security{
        display:none;
    }
    .securityRight{
        padding-left:0;
    }
    .btn-bar #buttons{
      display:none;
    }
    #downloadbox {
        background-color: #ede5dc;
        float: right;
        height: 349px;
        margin-right: 0;
        margin-top: 10px;
        width: 100%;
    }
    #innerdlbox {
        display: block;
        margin-left: auto;
        margin-right: auto;
        margin-top: 88px;
        width: 500px;
    }    
}