.tabgrades {
    border-collapse: collapse;
    border-spacing: 0;
    /* font-size: 0.8em; */
    width: 100%;
}

.tabgrades td {
    border-color: black;
    border-style: solid;
    border-width: 1px;
    overflow: hidden;
    padding: 10px 5px;
    word-break: normal;
    text-align: center;
    vertical-align: top;
}

.tabgrades th {
    border-color: black;
    border-style: solid;
    border-width: 1px;
    overflow: hidden;
    padding: 10px 5px;
    word-break: normal;
    background-color: #82c4e4;
    text-align: center;
    vertical-align: top;
}

.tabgrades .topleft {
    border-color: inherit;
    text-align: left;
    vertical-align: top;
}

.tabgrades .center {
    text-align: center;
    vertical-align: top;
}

.bi::before, [class^="bi-"]::before, [class*=" bi-"]::before {
    padding-right: 0.5em;
}