.fc-header-toolbar{
    font-size: 11px !important;
}
@media only screen and (max-width: 1280px) and (min-width: 992px) {  
    .fc-header-toolbar{
        display: inline-block !important; 
        text-align: center !important;
    }
}

@media (max-width: 600px) {
    .fc-header-toolbar{
        display: inline-block !important; 
        text-align: center !important;
    }
}

.fc-prev-button, .fc-next-button{
    padding: 4px !important;
}

.fc-toolbar-chunk{
    margin-bottom: 4px !important;
}