Hey there! Let's get that overlapping issue sorted out. The main problem here is invalid HTML structure, plus a couple of CSS quirks that are throwing off Dompdf's rendering. Here's how to fix it step by step:

1. Fix Invalid HTML Structure #

You’ve placed your <h2> directly inside the <table> tag, which isn’t allowed in HTML. Tables can only contain table-specific elements like <thead>, <tbody>, <tr>, <th>, and <td>—placing an <h2> inside breaks the layout, which Dompdf struggles to render correctly.

Move the <h2> outside the table, into your .pdfContainer div instead:

<div class="pdfContainer">
  <h2 style='margin: 2rem auto; text-align: center;'>{{$studentName}}</h2>
  <table>
    <tr>
      <th> PRÉSENCE </th>
      <th> COMPORTEMENT </th>
      <th> PROGRES </th>
      <th> DATE DE L’ATELIER </th>
    </tr>
    @foreach($records as $record)
    <tr>
      <td>
        <p class="attdStatusTd{{$record['att_status']}}"> {{$record['att_status']}} </p>
      </td>
      <td>
        <p class="attBehaviour{{$record['behaviour']}}"> {{$record['behaviour']}} </p>
      </td>
      <td>
        <p class="attProgress{{$record['progress']}}"> {{$record['progress']}} </p>
      </td>
      <td>
        <p> {{$record['customDate']}} </p>
      </td>
    </tr>
    @endforeach
  </table>
</div>

2. Clean Up CSS for Consistent Spacing #

Your current CSS has a few issues that contribute to the overlap:

• float: bottom; on the table is invalid (float only accepts left, right, or none—remove this entirely)
• The .pdfContainer uses align-items: flex-start with no flex direction set, which can cause elements to stack incorrectly
• Missing spacing between the heading and table

Update your CSS to fix these:

.pdfContainer {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column; /* Force vertical stacking of h2 and table */
  align-items: center;
  box-sizing: border-box;
  padding: 2rem; /* Add padding to prevent content from touching the page edges */
}

table {
  width: 70%;
  text-align: center;
  margin: 1rem auto 0; /* Add top margin to separate from the h2 */
  border-collapse: collapse; /* Move this here (it belongs on the table, not cells) */
  border: none;
}

th, td {
  padding: 15px;
  border: 1px solid #252a34 !important;
  border-spacing: 0;
}

/* Keep your existing status/behaviour/progress styles as-is */
.attdStatusTdpresent {
  color: #18a14f;
  padding: 8px;
  width: 110px;
  border-radius: 40px;
  margin: auto;
  text-transform: capitalize;
  font-weight: 600;
  font-size: 0.95em;
  font-family: "Merriweather Sans", sans-serif;
}
.attdStatusTdabsent {
  color: #b82348;
  padding: 8px;
  width: 110px;
  border-radius: 40px;
  margin: auto;
  text-transform: capitalize;
  font-weight: 600;
  font-size: 0.95em;
  font-family: "Merriweather Sans", sans-serif;
}
.attdStatusTdlate {
  color: #ff2e63;
  padding: 8px;
  width: 110px;
  border-radius: 40px;
  margin: auto;
  text-transform: capitalize;
  font-size: 0.95em;
}
.attBehaviourExcellent {
  color: #289672;
  padding: 8px;
  width: 110px;
  border-radius: 40px;
  margin: auto;
  text-transform: capitalize;
  font-size: 0.95em;
}
.attBehaviourGood {
  color: #00bfa6;
  padding: 8px;
  width: 110px;
  border-radius: 40px;
  margin: auto;
  text-transform: capitalize;
  font-size: 0.95em;
}
.attBehaviourAverage {
  color: #ffc947;
  padding: 8px;
  width: 110px;
  border-radius: 40px;
  margin: auto;
  text-transform: capitalize;
  font-size: 0.95em;
}
.attBehaviourBad {
  color: #ff2e63;
  padding: 8px;
  width: 110px;
  border-radius: 40px;
  margin: auto;
  text-transform: capitalize;
  font-size: 0.95em;
}
.attProgressExcellent {
  color: #289672;
  padding: 8px;
  width: 110px;
  border-radius: 40px;
  margin: auto;
  text-transform: capitalize;
  font-size: 0.95em;
}
.attProgressGood {
  color: #00bfa6;
  padding: 8px;
  width: 110px;
  border-radius: 40px;
  margin: auto;
  text-transform: capitalize;
  font-size: 0.95em;
}
.attProgressNeed {
  color: #ffc947;
  padding: 8px;
  width: 140px;
  border-radius: 40px;
  margin: auto;
  text-transform: capitalize;
  font-size: 0.95em;
  white-space: nowrap;
}
.attProgressprogressive {
  color: #185adb;
  padding: 8px;
  width: 110px;
  border-radius: 40px;
  margin: auto;
  text-transform: capitalize;
  font-size: 0.95em;
}

3. Optional: Dompdf Rendering Tweaks #

If you still see minor layout issues, double-check your Dompdf settings to ensure proper paper size and rendering:

$pdf = App::make('dompdf.wrapper');
$pdf->loadView('recordsPdf', compact('records', 'studentName'))
    ->setPaper('A4', 'portrait') // Explicitly set paper size and orientation
    ->setOptions(['isHtml5ParserEnabled' => true]); // Enable HTML5 parsing for better compatibility

return $pdf->download('student-records.pdf');

These changes should resolve the overlap by fixing the invalid HTML structure and ensuring proper spacing between elements. Dompdf relies heavily on valid, well-structured HTML/CSS, so cleaning that up is almost always the first step for layout issues.

内容的提问来源于stack exchange，提问作者theStackUser45