JSFiddle - React, Tailwind, and code Playground

HTML

<header class="headup">
     <h1>  <br>this <br>is <br>header <br></h1>

     <h2>

      <a href="menu1.php">menu1</a>		|	<a href="menu2.php">menu2</a>	|	<a href="menu3.php">menu3</a>

  </h2>

</header>
<body>
    <div class="content">
        <div id="icon">
            <img id="headim" src=https://www.webkit.org/blog-files/acid3-100.png style='width: 50%; '>
        </div>
        <input type="button" class="formButtonfront" value="go to another page" />
    </div>
</body>
<footer>
    <div class="foot"> <small> <br>
    (c) 2012 </small> 
    </div>
</footer>

CSS

header {
  padding-left:5%;
  padding-right:5%;
  margin:auto;
  width: 50%;
  height:auto;
  border-left:1px solid gray;
  border-right:1px solid gray;
  border-top:1px solid gray;
  border-bottom:1px solid gray;
  border-bottom-left-radius:10px;
  border-bottom-right-radius:10px;
  background-color:#0099FF;
  text-align: center;
  padding-bottom:0%;
  overflow:auto;
}
.foot {
  padding-left:5%;
  padding-right:5%;
  padding-bottom:1%;
  padding-top:0%;
  margin:auto;
  width: 50%;
  height:auto;
  border-left:1px solid gray;
  border-right:1px solid gray;
  border-top:1px solid gray;
  border-top-left-radius:10px;
  border-top-right-radius:10px;
  background-color:#0099FF;
  text-align: center;
  clear:both;
  font-family: Arial, Verdana;
  color:#CC0000;
  font-size:0.75em;
}
h1 {
  margin-top: 0px;
  margin-bottom: 0 %;
  padding-top: 0 %;
  margin-left: 0 %;
  margin-right: 0 %;
  padding-left: 0 %;
  padding-right: 0 %;
  font-family: Arial, Verdana;
  font-size: 1.5em;
  text-align: right;
  color: #CCCCCC;
  float:right;
  text-shadow: 1px 1px #fff;
}
h2 {
  padding-bottom: 0 %;
  padding-top: 3 %;
  font-family: Arial, Verdana;
  font-size: 1.125em;
  color: #476B00;
  text-align:right;
  margin-top:3%;
  font-family: Arial, Verdana;
  float:right;
}
.content {
  border:1px solid gray;
  border-radius:10px;
  padding-left:5%;
  padding-right:5%;
  margin: auto;
  margin-top:2%;
  margin-bottom:2%;
  width: 10%;
  position: relative;
  text-align: left;
  background-color:#fff;
  font-family:Arial, Verdana;
  font-size:0.875em;
}
#icon {
  width:100%;
  height:50%;
}

.formButtonfront {
  border:1px solid gray;
  border-radius:7%;
  font-size:0.875;
  word-wrap: break-word;
  max-width: 100%;
}