body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 5% 16%;
    font-size: calc(11px + 0.4vw);
}

.header-container, .footer-container {
    text-align: center;
    color: rgba(0,0,0,0.19);
}

.tabs {
    margin-bottom: 20px;
}

.tab {
    padding: 10px 15px;
    cursor: pointer;
    background-color: #f1f1f1;
    border: 2px solid rgb(221, 221, 221);
    border-radius: 0.375rem;
}

.tab.active {
    background-color: #6c8bcf;
    border: 2px solid rgb(88, 119, 187);
    color: white;
}

.sheet {
    display: none;
}

.sheet.active {
    display: block;
}

table {
    font-size: 14px;
    border-collapse: separate;
    border-spacing: 0px 0px;
    margin-bottom: 20px;
    text-align: left;
}

th, td {
    padding: 0.25rem 0.75rem;
    border: 1px solid rgba(0,0,0,0.15);
}

thead tr th:first-child {
    border-radius: 0.375rem 0 0 0;
}
thead tr th:last-child {
    border-radius: 0 0.375rem 0 0;
}
tbody tr:last-child td:first-child {
    border-radius: 0 0 0 0.375rem;

}
tbody tr:last-child td:last-child {
    border-radius: 0 0 0.375rem 0;
}

th {
    background-color: rgba(0, 0, 0, 0.212);

    /* border-bottom-width: 1px;
    border-color: var(--border-medium);
    border-top-width: 1px;
    padding: .25rem .75rem; */
}

tr:nth-child(even) {
    background-color: rgba(242, 242, 242, 0.842);
}