.btn-ribbon {
    color: #212529;
    background-color: #ffffff;
    border-style: none;
}

    .btn-ribbon:hover {
        color: #212529;
        background-color: #e2e6ea;        
        /*border-color: black;
        border-style: solid;*/
    }

    .btn-ribbon:focus, .btn-ribbon.focus {
        box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
    }

    .btn-ribbon.disabled, .btn-ribbon:disabled {
        color: #212529;
        background-color: #f8f9fa;
        border-color: #f8f9fa;
    }

    .btn-ribbon:not(:disabled):not(.disabled):active, .btn-ribbon:not(:disabled):not(.disabled).active,
    .show > .btn-ribbon.dropdown-toggle {
        color: #212529;
        background-color: #dae0e5;
        border-color: #d3d9df;
    }

        .btn-ribbon:not(:disabled):not(.disabled):active:focus, .btn-ribbon:not(:disabled):not(.disabled).active:focus,
        .show > .btn-ribbon.dropdown-toggle:focus {
            box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
        }