How to create email signature in Thunderbird by HTML coding | Signatures in Thunderbird without Learning HTML

<div style="width: 100%;  padding-left: 3%;">
            <h4 style="margin-bottom:0px;">FirstName LastName</h4>
            <p style="margin-top: 0px; font-weight: bold;">Job Description </p>
        </div>
        <div style="width: 100%;">
            <div style="width: 15%; float: left; margin-bottom: 25px;">
          <center>        
                <img src="http://mcreatives.com/signature/logo.png" style="width: 85%">
//Company logo internet link
            </center>
        </div>
        <div style="width: 75%; margin-bottom: 20px; text-align: left;">
            <p style="margin: 5px; font-weight: bold;">Company Name - Location.</p>
            <p  style="margin: 5px;">No. 58 | 42nd Lane,&nbsp Wellawatte | Colombo 06 | Sri Lanka</p>
//Address
            <p  style="margin: 5px;">E-Mail : email@address  &nbsp| Web : www.website.lk</p>
            <p  style="margin: 5px;">General : <span style="color: #4285D3;">+94 Number</span> | FAX : <span style="color: #4285D3;">+94 11 258 9597</span></p>
            <p  style="margin: 5px;">Mobile&nbsp : <span style="color: #4285D3;">+94 mobile num</span>  </p>
            <p  style="margin: 20px 5px 10px 5px; color: #C8C8C8;"> follow us

           
                <a href="https://hyperlink"><img src="http://mcreatives.com/signature/facebook.png" style="height: 30px;"></a>              
                <a href=""><img src="http://mcreatives.com/signature/instagram.png" style="height: 30px;"></a>            
                <a href=""><img src="http://mcreatives.com/signature/twitter.png" style="height: 30px;"></a>              
                <a href=""><img src="http://mcreatives.com/signature/podrigo.png" style="height: 30px;"></a></p>
            </div>  
        </div>
           
        </div>
       
        <div style="width: 100%;  padding-left: 3%;">
            <p style="margin-top: 0px; font-weight: bold; color: #257F21"><span><img src="http://mcreatives.com/signature/email.png" style="width: 20px; margin-right: 10px;"></span>Please Consider the Environment before printing this Email</p>
        </div>