.PageRepositories {
    display: grid;

    grid-template-areas:
        "h x"
        "a a"
        "b b";
    grid-template-columns: 4fr 1fr;
    grid-template-rows: auto 1fr 1fr;
    grid-gap: 10px;

    width: 100%;
    height: 100%;
}

.Header {
    grid-area: h;
}

.Buttons {
    grid-area: x;

    display: flex;
    flex-direction: row;
    align-items: stretch;
}

.Buttons > * {
    box-shadow: none;
    flex-grow: 1;
}

.ActiveRepositories {
    grid-area: a;
}

.ArchivedRepositories {
    grid-area: b;
}