.calendar-container {
    width: 375px;
    height: 460px;
    overflow: auto;
}

.calendar-employee-filter {
    width: 275px;
    height: 420px;
    margin-right: 15px;
    overflow-y: auto;
}

    .calendar-employee-filter .x-field {
        margin-bottom: 7px;
    }

    .calendar-employee-filter input[type=text] {
        font-weight: bold;
    }

    .calendar-employee-filter .x-form-item-label-text {
        text-transform: uppercase;
    }

.calendar-panel, .fc {
    width: 480px;
    height: 420px;
    margin-right: 100px;
}

.fc-day-top {
    border-top-color: rgba(196, 196, 196, 0.3) !important;
    border-top-style: solid !important;
    border-top-width: 1px !important;
}

@media (min-width: 576px) {
    .calendar-container {
        width: 550px;
    }
}

@media (min-width: 768px) {
    .calendar-container {
        width: 710px;
    }

    .calendar-panel, .fc {
        width: 700px;
        margin-right: 10px;
    }
}

@media (min-width: 992px) {
    .calendar-container {
        width: 960px;
    }
}

@media (min-width: 1200px) {
    .calendar-container {
    }

    .calendar-employee-filter {
        float: left;
    }

    .calendar-panel, .fc {
        float: left;
        width: 540px;
    }
}


@media (min-width: 1600px) {
    .calendar-container {
        width: 1500px;
        height: 650px;
    }

    .calendar-employee-filter {
        float: left;
        margin-right: 30px;
    }

    .calendar-panel, .fc {
        float: left;
        width: 960px;
        height: 550px;
    }
}

@media (min-width: 1920px) {
    .calendar-container {
        width: 1500px;
        height: 800px;
    }

    .calendar-employee-filter {
        float: left;
        margin-right: 50px;
    }

    .calendar-panel, .fc {
        float: left;
        width: 960px;
    }
}

/*
i wish this required CSS was better documented :(
https://github.com/FezVrasta/popper.js/issues/674
derived from this CSS on this page: https://popper.js.org/tooltip-examples.html
*/

.popper,
.tooltip {
    position: absolute;
    z-index: 9999;
    background: #FFF;
    color: black;
    width: 300px;
    border-radius: 2px;
    box-shadow: 0 0 2px rgba(0,0,0,0.5);
    padding: 10px;
    text-align: left;
}

.style5 .tooltip {
    background: #1E252B;
    color: #FFFFFF;
    max-width: 200px;
    width: auto;
    font-size: .8rem;
    padding: .5em 1em;
}

.popper .popper__arrow,
.tooltip .tooltip-arrow {
    width: 0;
    height: 0;
    border-style: solid;
    position: absolute;
    margin: 5px;
}

.tooltip .tooltip-arrow,
.popper .popper__arrow {
    border-color: #FFF;
}

.style5 .tooltip .tooltip-arrow {
    border-color: #1E252B;
}

.popper[x-placement^="top"],
.tooltip[x-placement^="top"] {
    margin-bottom: 5px;
}

    .popper[x-placement^="top"] .popper__arrow,
    .tooltip[x-placement^="top"] .tooltip-arrow {
        border-width: 5px 5px 0 5px;
        border-left-color: transparent;
        border-right-color: transparent;
        border-bottom-color: transparent;
        bottom: -5px;
        left: calc(50% - 5px);
        margin-top: 0;
        margin-bottom: 0;
    }

.popper[x-placement^="bottom"],
.tooltip[x-placement^="bottom"] {
    margin-top: 5px;
}

    .tooltip[x-placement^="bottom"] .tooltip-arrow,
    .popper[x-placement^="bottom"] .popper__arrow {
        border-width: 0 5px 5px 5px;
        border-left-color: transparent;
        border-right-color: transparent;
        border-top-color: transparent;
        top: -5px;
        left: calc(50% - 5px);
        margin-top: 0;
        margin-bottom: 0;
    }

.tooltip[x-placement^="right"],
.popper[x-placement^="right"] {
    margin-left: 5px;
}

    .popper[x-placement^="right"] .popper__arrow,
    .tooltip[x-placement^="right"] .tooltip-arrow {
        border-width: 5px 5px 5px 0;
        border-left-color: transparent;
        border-top-color: transparent;
        border-bottom-color: transparent;
        left: -5px;
        top: calc(50% - 5px);
        margin-left: 0;
        margin-right: 0;
    }

.popper[x-placement^="left"],
.tooltip[x-placement^="left"] {
    margin-right: 5px;
}

    .popper[x-placement^="left"] .popper__arrow,
    .tooltip[x-placement^="left"] .tooltip-arrow {
        border-width: 5px 0 5px 5px;
        border-top-color: transparent;
        border-right-color: transparent;
        border-bottom-color: transparent;
        right: -5px;
        top: calc(50% - 5px);
        margin-left: 0;
        margin-right: 0;
    }