LetterHead Overlapp issue

Hii All, i have a custom print format with letter head, i have a issue with content overlapped with letter head, please find my code below, thanks in advance for the solutions.

<!-- Main wrapper table for repeating header -->
<table class="print-format-wrapper">
    <!-- HEADER SECTION - THIS WILL REPEAT ON ALL PAGES -->
    <thead class="letter-head-repeat"> 
        <tr> 
            <td> {% if doc.letter_head %} {{ frappe.get_doc("Letter Head", doc.letter_head).content }} {% endif %} </td> 
        </tr>
        <tr>
            <td style="height: 30px; padding: 0;"></td>
        </tr>
    </thead>
        <!-- BODY SECTION - YOUR CONTENT -->
    <tbody class="content-wrapper">
        <tr>
            <td>
                <div>
                    <table style="width: 100%; border-bottom: 1px solid #000;" >
                        <tr>
                            <td style="width:55%; text-align: center"><h5 style="font-weight: bold;
                        font-size: 16pt;
                        text-decoration: underline; margin: 0px; color: black;">QUOTATION</h5></td>
                            <td style="width: 45%; margin: 0px; font-size: 10pt;">
                                <p>Reference No.&nbsp;&nbsp;&nbsp;: {{ doc.name }}</p>
                                <p style="margin-bottom: 0px;">Revision&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;: A</p>
                            </td>
                        </tr>
                    </table>
                    <div style="border-bottom: 1px solid #000; padding: 5px 0px;">
                        <table style="width: 100%;">
                            <tr>
                                <td style="width: 55%;">
                                    <div>
                                        <p>To<span style="margin-left: 34px;">:</span> {{doc.customer_name}}</p>
                                        <p>For<span style="margin-left: 28px;">:</span> {{doc.company}}</p>
                                        <p>E-mail<span style="margin-left: 6px;">:</span> {{doc.contact_email}}</p>
                                        <p>No. of pages: 4(Including this page)</p>
                                    </div>
                                </td>
                                <td>
                                    <div>
                                        <p>Date : 29 August 2025</p>
                                        <p>From : Norman Yaw</p>
                                    </div>
                                </td>
                            </tr>
                        </table>
                    </div>
                    
                    <div style="border-bottom: 1px solid #000;
                        padding: 5px 0px;">
                        <p style="font-family: Arial, sans-serif;
                        font-weight: bold;
                        font-size: 10.5pt;
                        text-decoration: underline;"><span style="margin-right: 52px;">Subject</span> {{ doc.custom_subject }}</p>
                        <p  style="font-family: Arial, sans-serif;
                        font-weight: bold;
                        font-size: 10.5pt;"><span style="margin-right: 10px; text-decoration: underline;">Project Name</span> {{ doc.custom_project_name }}</p>
                    </div>
                    <div>
                        <div class="General-tab-heading">
                            <h5>(I) <span>General</span></h5>
                        </div>
                        <p>{{ doc.custom_general_terms }}</p>
                        <div class="General-tab-heading">
                            <h5>(II) <span>Workscope & Supply</span></h5>
                        </div>
                        <p>{{ doc.custom_workscope__supply }}</p>
                        <div class="General-tab-heading">
                            <h5>(II) <span>Excluded From Our Workscope & Supply</span></h5>
                        </div>
                        <p>{{ doc.custom_excluded_from_our_workscope__supply }}</p>
                        <div class="General-tab-heading">
                            <h5>(IV) <span>Delivery Schedule</span></h5>
                        </div>
                        <p>{{ doc.custom_subject }}</p>
                        <p>{{ doc.custom_delivery_schedule }}</p>
                        <div class="General-tab-heading">
                            <h5>(IV) <span>Schedule of Prices</span></h5>
                        </div>
                        <div class="General-tab-heading">
                            <h5>(VI) <span>Payment Terms</span></h5>
                        </div>
                        <p>{{ doc.custom__payment_terms }}</p>
                        <div class="General-tab-heading">
                            <h5>(VII) <span>Validity</span></h5>
                        </div>
                        <p>{{ doc.valid_till }}</p>
                        <p>{{ doc.custom_validity }}</p>
                        <div class="General-tab-heading">
                            <h5>(VIII) <span>Certificates</span></h5>
                        </div>
                        <p>{{ doc.custom_certificates }}</p>
                    </div>
                </div>
             </td>
        </tr>
    </tbody>
</table>
                
/* Print format table structure for repeating header */
table.print-format-wrapper {
    width: 100%;
    border-collapse: collapse;
}

thead.letter-head-repeat {
    display: table-header-group;
}

tbody.content-wrapper {
    display: table-row-group;
}

.print-format td{
        padding: 0 !important;
    }

    body {
    margin: 0px 0px;
    padding: 0;
    font-family: Arial, sans-serif;
    color: #000000;
  }
 
  td, div{
    font-family: Arial, sans-serif;
    font-size: 10pt;
}
h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
        font-family: Arial, sans-serif;
    }
    .General-tab-heading{
        background: #d8d8d8;
        padding: 2px 2px;
        margin-top: 10px;
        border: 1px solid black;
    }
    .General-tab-heading h5{
        margin: 0px;
        font-size: 16px;
        font-weight: bold;
    }
    .General-tab-heading h5>span{
        text-decoration: underline;
        margin-left: 10px;
    }
    .ql-editor {
        font-family: Arial, sans-serif !important;
    }
    .ql-editor p, .ql-editor span, .ql-editor ol, .ql-editor ul{
        font-size: 10pt;
    }   
    body:last-child .print-format td img {
        width: auto !important;
    }
    
  @page {
        size: A4;
        margin-top: 180px;  /* Space for letterhead */
        margin-bottom: 60px;
        margin-left: 40px;
        margin-right: 40px;
    }
    

    
  
Letter Head:
---------------------------


<div style="width: 100%; border-bottom: 1px solid #000; padding-bottom: 0px; padding-top: 15px;" id="page-header">

    <table style="width: 100%; border-collapse: collapse;">
        <tbody><tr>

            <!-- LEFT SECTION -->
            <td style="width: 55%; vertical-align: top;">
                <table style="border-collapse: collapse;">
                    <tbody><tr>
                        <td style="vertical-align: top; padding-right: 10px;">
                            <img src="/files/RMES7ee3a5.png" style="width: 120px !important; height: 100px;">
                        </td>
                        <td style="vertical-align: top;">
                            <div style="font-family: Arial, sans-serif; line-height: 1.4;">
                                <div style="font-size: 14pt; font-weight: bold; color: black; margin-left: -80px; margin-right: -150px;
                                text-align: center; font-family: Arial, sans-serif; margin-top: -10px;">
                                    <p style="white-space: nowrap; margin-bottom: 0px;">REGIONAL MARINE &amp; ENGINEERING</p><span>SERVICES PTE LTD</span>
                                </div>
                                <div style="font-size: 7.5pt; color: #000000;">
                                    GST No. xx-xxxxxx-R<br>
                                    No. 16, abc, Singapore xxxxx<br>
                                    Tel: (65) 6xxx 3781 &nbsp; Fax: (65) xxxxxx<br>
                                    www.abc.com.sg
                                </div>
                            </div>
                        </td>
                    </tr>
                </tbody></table>
            </td>

            <!-- RIGHT SECTION -->
            <td style="width: 45%; vertical-align: top; text-align: right;">
                <table style="border-collapse: collapse; margin-left: -3px;">
                    <tbody><tr>
                        <td style="text-align: center;" colspan="2">
                            <img src="/files/IADCb5ea41.png" style="width: 100px !important;margin-left: 55px;">
                        </td>
                    </tr>

                    <tr>
                        <td style="padding: 4px !important;">
                            <div style="font-size: 6pt; text-align: center;">
                                API Q1-1982, API 6A-1360, API 16A-0315<br>
                                API 16C-0393, API 16RCD-0018, API 4F-0512
                            </div>
                        </td>
                        <td style="padding: 4px !important;">
                            <div style="font-size: 6pt; text-align: center;">
                                ASME ^*)*)^%, ^&%()*#<br>
                                ASME NVKNLN, NB KBVNKNL
                            </div>
                        </td>
                    </tr>
                    <tr>
                        <td style="text-align: center; padding: 0px !important;" colspan="2">
                            <img src="/files/RMES_CERTf114b5.png">
                        </td>
                    </tr>
                </tbody></table>
            </td>

        </tr>
    </tbody></table>

</div>