.header {
    margin: 2em auto 2em auto;
}

#tunit {
    font-size: 20pt;
    padding: 10px;
    margin: 1em auto;
    width: 100%;
}

.hidden {
    visibility: hidden;
    display: none !important;
}

.grid {
    display: grid;
    grid-gap: 0.5em;
}

.grid > * {
    width: 100%;
}

.vgrid {
    margin: 0.5em;
    justify-content: center;
}

.checkgrid {
    width: 100%;
    grid-template-columns: auto 1fr;
    margin-bottom: 1em;
    justify-items: center;
}