.fc-header-toolbar button {
    height: fit-content!important;
    padding: 3px 8px!important;
    border: 0!important;
    background-color: rgba(199, 136, 88, .9)!important;
}
    .fc-header-toolbar button:hover {
        opacity: 1!important;
        background-color: var(--color-primary)!important;
    }
    .fc-header-toolbar button:disabled {
        opacity: 1!important;
        background-color: var(--color-primary)!important;
    }
    .fc-header-toolbar span.fc-icon {
        font-size: var(--icon-size-sm)!important;
        position: relative!important;
    }
        .fc-header-toolbar span.fc-icon::before {
            position: absolute!important;
            top: -2px!important;
            left: 0!important;
        }
@media (max-width: 800px) {
    .fc-header-toolbar button {
        background-color: var(--color-primary)!important;
    }
}