html,
body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica Neue, Helvetica, sans-serif;
    font-size: 14px;
    background-color: #fff;
}

main {
    display: block;
}

#calendar {
    max-width: 1100px;
    margin: 40px auto;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.table-responsive table {
    width: 100%;
    margin-bottom: 0;
}

.circle {
    font-size: 2em;
}

td {
    padding: 10px;
}

.px-10 {
    padding-right: 10rem !important;
    padding-left: 18rem !important;
}

.btn.btn-primary {
    color: #fff;
    background-color: #5b6483;
    border-color: #5b6483;
}

.spinner {
    position: fixed;
    z-index: 9999;
    height: 2em;
    width: 2em;
    overflow: show;
    margin: auto;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

.spinner::before {
    content: '';
    display: block;
    position: absolute;
    left: calc(50% - 20px);
    top: calc(50% - 20px);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid #ccc;
    border-top-color: #333;
    animation: spinner 0.6s linear infinite;
}

@keyframes spinner {
    to {
        transform: rotate(360deg);
    }
}

.loaded .spinner {
    opacity: 0;
}

.loaded .content {
    opacity: 1;
}

.content {
    opacity: 0;
    transition: opacity .5s;
}

@media print {
    body {
        filter: grayscale(100%);
    }
}

.bg-teal {
    --bs-bg-opacity: 1;
    background-color: #5b6483 !important;
}