.container {
    display: flex;
    justify-content: space-between;
}

.left,
.right {
    width: 48%;
    padding: 10px;
    border: 1px solid #ccc;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table tr td,
table tr th {
    border: 1px solid #999;
    padding: 6px;
    text-align: left;
}