Table with Rounded Corners

Table with rounded corners using pure CSS.

by Leandro Barbosa

HTML

<table class="round-corner" aria-describedby="caption">
    <caption id="caption">Table with rounded corners</caption>
    <thead>
        <tr>
            <th scope="col">Head1</th>
            <th scope="col">Head2</th>
            <th scope="col">Head3</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td scope="rowgroup">tbody1 row1</td>
            <td scope="rowgroup">tbody1 row1</td>
            <td scope="rowgroup">tbody1 row1</td>
        </tr>
        <tr>
            <td scope="rowgroup">tbody1 row2</td>
            <td scope="rowgroup">tbody1 row2</td>
            <td scope="rowgroup">tbody1 row2</td>
        </tr>
    </tbody>
    <tbody>
        <tr>
            <td scope="rowgroup">tbody2 row1</td>
            <td scope="rowgroup">tbody2 row1</td>
            <td scope="rowgroup">tbody2 row1</td>
        </tr>
        <tr>
            <td scope="rowgroup">tbody2 row2</td>
            <td scope="rowgroup">tbody2 row2</td>
            <td scope="rowgroup">tbody2 row2</td>
        </tr>
    </tbody>
    <tbody>
        <tr>
            <td scope="rowgroup">tbody3 row1</td>
            <td scope="rowgroup">tbody3 row1</td>
            <td scope="rowgroup">tbody3 row1</td>
        </tr>
        <tr>
            <td scope="rowgroup">tbody3 row2</td>
            <td scope="rowgroup">tbody3 row2</td>
            <td scope="rowgroup">tbody3 row2</td>
        </tr>
    </tbody>
    <tfoot>
        <tr>
            <td scope="col">Foot</td>
            <td scope="col">Foot</td>
            <td scope="col">Foot</td>
        </tr>
    </tfoot>
</table>

SCSS

// General CSS
table,
th,
td {
    border: 1px solid #000;
    padding: 8px 12px;
}

.round-corner {
    border-collapse: collapse;
    border-style: hidden;
    box-shadow: 0 0 0 1px #000; // fake "border"
    border-radius: 4px;

    // Maybe there's no THEAD after the caption?
    caption + tbody {
        tr:first-child {
            td:first-child,
            th:first-child {
                border-top-left-radius: 4px;
            }

            td:last-child,
            th:last-child {
                border-top-right-radius: 4px;
            }
        }
    }

    tbody:first-child {
        tr:first-child {
            td:first-child,
            th:first-child {
                border-top-left-radius: 4px;
            }

            td:last-child,
            th:last-child {
                border-top-right-radius: 4px;
            }
        }
    }

    tbody:last-child {
        tr:last-child {
            td:first-child,
            th:first-child {
                border-bottom-left-radius: 4px;
            }

            td:last-child,
            th:last-child {
                border-bottom-right-radius: 4px;
            }
        }
    }

    thead {
        tr:last-child {
            td:first-child,
            th:first-child {
                border-top-left-radius: 4px;
            }

            td:last-child,
            th:last-child {
                border-top-right-radius: 4px;
            }
        }
    }

    tfoot {
        tr:last-child {
            td:first-child,
            th:first-child {
                border-bottom-left-radius: 4px;
            }

            td:last-child,
            th:last-child {
                border-bottom-right-radius: 4px;
            }
        }
    }

    // Reset tables inside table
    table tr th,
    table tr td {
        border-radius: 0;
    }
}