.blackOnWhite {
    color: black;
    background-color: white;
}

.whiteOnBlack {
    color: white;
    background-color: black;
}

.width1px {
    width: 1px;
}



table.matrix th.matrixBorder {
    color: white;
    background-color: black;
    width: 1px;
    /* padding: 0; */
    padding: 8px 0 8px 0;
    width: 3px;
}



table.matrix {
    font-family: Arial, Helvetica, sans-serif;
    border-collapse: collapse;
    width: 100%;
    color: black;
    background-color: white;
}

table.matrix td, table.matrix th {
    /* border: 1px solid #ddd; */
    border-width: 0;
    border-style: none;
    border-color: white;
    padding: 8px;
}

table.matrix tr:nth-child(even) {
    /* background-color: #f2f2f2; */
    background-color: white;
}

table.matrix tr:hover {
    /* background-color: #ddd; */
    background-color: white;
}

table.matrix th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: left;
    /* background-color: #04aa6d; */
    /* color: white; */
    color: black;
    background-color: white;
}

table.matrix td {
    text-align: center;
}



.wrapper {
    display: grid;
    grid-template-columns: auto auto auto auto auto;
}

.operand1 {
    padding: 0;
}

.operation {
    /* padding: 0; */
    /* padding: 8px; */
    padding: 8px 12px 8px 12px;

    display: flex;
    align-items: center;
    justify-content: center;
}

.operand2 {
    padding: 0;
}

.opEquals {
    /* padding: 0; */
    /* padding: 8px; */
    padding: 8px 12px 8px 12px;

    display: flex;
    align-items: center;
    justify-content: center;
}

.opResult {
    padding: 0;
}