body {
    display: flex;
    flex-direction: column;
}

.oneVar {
    display: flex;
    flex-direction: row;
    border-radius: 10px;
    border: 3px red solid;
    margin: 5px;
    padding: 5px;
}

.leftColumn {
    flex-basis: 50%;
}

.rightColumn {
    flex-basis: 50%;
    border-radius: 10px;
    border: 3px #AFF solid;
    margin: 5px;
    /*padding: 5px;*/
}

.rightColumn .data {
    height: 200px;
    width: 98%;
}