.wrapper3 {
    display: grid;
    grid-template-columns: 130px 130px 130px 130px 130px 130px 130px;
    grid-gap: 10px;
    background-color: #fff;
    color: #444;
}

.mxbox {
    background-color: var(--backcolor);
    color: #000;
    border: var(--borderwidth, 2px) solid var(--bordercolor);
    padding: 2px;
    font-size: 80%;
    margin-bottom: 5px;
    min-height: 80px;
}

    .mxbox:hover {
        background-color:aliceblue;
        color: #000;
        border: 2px solid var(--bordercolor);
    }