HTML/CSS - king Online Editor and JavaScript Compiler

html

<!DOCTYPE html>
<html>
    <head>
        <title>Page Title</title>
        <meta charset="UTF-8"></meta>
    </head>
    <body dir="rtl">
    <center>
      <article class:"k">
      <div id="div">
      <br />
          <h1 id="g">K</h1>
          <div id="g2"><b>i</b></div>
          <div id="g3"><b>n</b></div>
          <div id="g4"><b>g</b></div>
          <br /><br /><br />
      </div>
           <section class="mine">
               <nav class="d">
                 <table border=1>
                      <tr>
                          <th>
                          <a href="#jk">
                              <marquee id="mar"> 
                            
Place your ad............ محل تبلیغ شما...........Place your ad
                            
                             </marquee></a>

css

body {
    width:350px;
    height:auto ;
    background-color:#fff;
    
}
.footer {
    
background-color:#5f5f5f;width:350px;font-size:15px;border-radius:5px;color:rgb(220,220,220);
}
#div{
    background-color:rgb(255,255,255);width:350px;
}
.d{
    width:350px;background-color:rgb(230,230,0);border-radius:5px;
}
.h {
    width:350px;
    background-color:#ccc;
    border-radius:5px;
}
.h2 {

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