Untitled-1

<!-- шестой ряд Типов тестирования -->
    <tr>
        <!-- table #two row #six -->
        <td>
            <!-- table #two row #five cell #one -->
            <div class="flip-container" onclick="this.classList.toggle('hover');">
                <div class="flipper">
                    <div class="front color_testingtypes">
                        <span class="question"></span>
                    </div>
                    <div class="back">
                        <span class="answer">
                            
                        </span>
                    </div>
                </div>
            </div>
        </td>
        <td>
            <!-- table #two row #five cell #two -->
            <div class="flip-container" onclick="this.classList.toggle('hover');">
                <div class="flipper">
                    <div class="front color_testingtypes">
                        <span class="question"></span>
                    </div>
                    <div class="back">
                        <span class="answer"></span>
                    </div>
                </div>
            </div>
        </td>
        <td>
            <!-- table #two row #five cell #three -->
            <div class="flip-container" onclick="this.classList.toggle('hover');">
                <div class="flipper">
                    <div class="front color_testingtypes">
                        <span class="question"></span>
                    </div>
                    <div class="back">
    
                        <span class="answer"></span>
                    </div>
                </div>
            </div>
        </td>
        <td>
            <!-- table #two row #five cell #four -->
            <div class="flip-container" onclick="this.classList.toggle('hover');">
                <div class="flipper">
                    <div class="front color_testingtypes">
                        <span class="question"></span>
                    </div>
                    <div class="back">
                        <span class="answer"></span>
                    </div>
                </div>
            </div>
        </td>
        <td>
            <!-- table #two row #five cell #five -->
            <div class="flip-container" onclick="this.classList.toggle('hover');">
                <div class="flipper">
                    <div class="front color_testingtypes">
                        <span class="question"></span>
                    </div>
                    <div class="back">
    
                        <span class="answer"></span>
                    </div>
                </div>
            </div>
        </td>
        <td>
            <!-- table #two row #five cell #six -->
            <div class="flip-container" onclick="this.classList.toggle('hover');">
                <div class="flipper">
                    <div class="front color_testingtypes">
                        <span class="question"></span>
                    </div>
                    <div class="back">
                        <span class="answer"></span>
                    </div>
                </div>
            </div>
        </td>
        <td>
            <!-- table #two row #five cell #seven -->
            <div class="flip-container" onclick="this.classList.toggle('hover');">
                <div class="flipper">
                    <div class="front color_testingtypes">
                        <span class="question"></span>
                    </div>
                    <div class="back">
                        <span class="answer"></span>
                    </div>
                </div>
            </div>
        </td>
    </tr>