JSFiddle - React, Tailwind, and code Playground

HTML

<div id="A">
    <object type="text/html" data="A.html">
</object></div>
  <div id="D">
  </div>
  <div id="B">
    <object type="text/html" data="B.html">
</object></div>
  <div id="C">
    <object type="text/html" data="C.html">
</object></div>

  <div class="webmaster">2017 | <a href="mailto:[email protected]">[email protected]</a> |</div>

CSS

body {
    background: url(5750520604_febd0975e8_o.jpg), linear-gradient(180deg, #FFFFFF 80%, #B4B4B4 20%);
    background-color: white;
    background-size: 70%;
    background-attachment: fixed;
    background-repeat: no-repeat;
  }
  
  #A {
    overflow: hidden;
    border: none;
  }
  
  object {
    width: 1500px;
    height: 800px;
    display: inline-block;
  }
  
  #B {
    background-color: #bb7676;
    clear: both;
    display: flex;
    overflow: hidden;
    margin-left: -10px;
    border: none;
    width: 600px;
    border: thick;
    height: 300px;
    display: inline-block;
    margin-right: 0px;
    float: left;
  }
  
  #C {
    background-color: #7776cc;
    clear: both;
    display: flex;
    flex: 0 1 auto;
    overflow: hidden;
    border: thick;
    width: 1250px;
    height: 300px;
    display: inline-block;
    margin-right: -10px;
  }
  
  #D {
    background-color: #777676;
    clear: both;
    overflow: hidden;
    border: none;
    width: 1900px;
    height: 1000px;
  }
  
  .webmaster {
    background-color: #777676;
    clear: both;
    margin-left: -10px;
    background-color: white;
    overflow: hidden;
    height: 80px;
    width: 1920px;
    border: none;
    font-family: Georgia;
    text-align: justify;
    padding: 20px 640px;
    font-size: 20px;
    margin-top: -5px;
  }
  
  a:link {
    text-decoration: none;
    color: #000000;
  }
  
  a:visited {
    text-decoration: none;
    color: #4C4C4C;
  }
  
  a:hover {
    text-decoration: none;
    color: #B2B2B2;
  }
  
  a:active {
    color: #000000;
    text-decoration: underline;
  }