.parent-tablea {
    display: flex;
    width: 300px;
    margin: auto;
    margin-bottom: 200px;
    height: 1px;
}

.right-table {
    flex: 1;
    padding: 0px;
    font-weight: bolder;
    text-decoration: underline;
}

.left-table {
    font-weight: bolder;
    flex: 1;
    padding: 0px;
    text-decoration: underline;
}

.sigma {
    width: 50%;
    margin-left: auto;
    margin-right: auto;
    margin-top: 0px;
    display: flex;
    flex-direction: row;
    align-items: stretch;
    font-size: xx-large;
}

.text-1 {
    align-self: start;
}

.text-2 {
    align-self: end;
}

.goofy {
    display: grid;
    grid-template-columns: auto auto auto;
    grid-template-rows: auto auto auto;
    width: 25%;
    margin: auto;
    height: 25%;

}

.red {
    grid-column: 1 / span 2;
    grid-row: 1;
    border: 1px solid rgb(73, 72, 72);
    background-color: red;
}

.green {
    grid-row: 2 / span 2;
    grid-column: 1;
    background-color: green;
}