body {
    padding-top: 56px;
}
.sidebar {
    position: fixed;
    top: 56px;
    bottom: 0;
    width: 250px;
    padding: 20px;
    overflow-y: auto;
}
.content { margin-left: 250px; }
/* .table-responsive { margin-top: 20px; } */

@media (max-width: 960px) {
    table {
        font-size: 12px;
    }
    table .btn {
        font-size: 10px;
    }
    
}

@media (max-width: 840px) {
    .sidebar {
        width: 100%;
        position: relative;
        top: 10px;
    }
    .btn-side-actions {
        width: 100%;
        display: flex;
        justify-content: space-between;
    }
    .btn-side-actions .btn {
        width: 150px;
    }

    .content {
        margin-left: 0;
        margin-top: 0px;
    }
    table {
        font-size: 12px;
    }
    table .btn {
        font-size: 10px;
    }
    /* th, td {
        padding: 4px;
    }
    .navbar-brand img {
        width: 20px;
        height: 20px;
    }
    .sidebar h2 {
        font-size: 18px;
    }
    .btn {
        padding: 5px 10px;
        font-size: 14px;
    }
    .table-responsive {
        margin-top: 10px;
    } */
    
}

@media (max-width: 580px) {
    .sidebar {
        width: 100%;
        position: relative;
        top: 10px;
    }
    .btn-side-actions {
        width: 100%;
        display: flex;
        justify-content: space-between;
    }
    .btn-side-actions .btn {
        width: 100px;
    }
    .btn {
        font-size: 10px;
    }
    table .btn {
        font-size: 5px;
    }
    .content {
        margin-left: 0;
        margin-top: 0px;
    }
    table {
        font-size: 8px;
    }    
}

@media (max-width: 420px) {
    .sidebar {
        width: 100%;
        position: relative;
        top: 10px;
    }
    .btn-side-actions {
        width: 100%;
        display: flex;
        justify-content: space-between;
    }
    .btn-side-actions .btn {
        width: 80px;
    }
    table .btn {
        font-size: 5px;
        padding: 3px;
    }
    .content {
        margin-left: 0;
        margin-top: 0px;
    }
    table {
        font-size: 8px;
    }    
}