.nonmixable-disabled-btn,
button[disabled],
.ajax_add_to_cart_button[disabled] {
    background: #ccc !important;
    color: #888 !important;
    cursor: not-allowed !important;
    border-color: #bbb !important;
    opacity: 0.7;
}

.nonmixable-disabled {
    background: #e0e0e0 !important;
    color: #444 !important;
    border: 1px solid #bbb !important;
    opacity: 0.8 !important;
    cursor: not-allowed !important;
}

.nonmixable-msg {
    font-size: small !important;
    font-weight: normal !important;
    color: #c00 !important;
    margin-top: 6px !important;
    margin-bottom: 0 !important;
    padding: 0 !important;
    background: none !important;
    border: none !important;
}

.nonmixable-msg-red {
    color: #c00 !important;
    font-weight: bold;
}

.nonmixable-msg-always {
    color: #888;
    font-style: italic;
    font-size: small;
    margin-top: 4px;
}