anchor.diff:  	border-radius: 5px;
   	width: 80px;
   	height: 40px;
  -	margin: 40% 0 0 20%;
  +	margin: 43% 0 0 20%;
   }
   
   #button-word{
  
positive.code: 	margin-top: 7;
  }
  
  </style>
  
negative.code: <div id="button">
  	<a id="button-word" href="/water">Plant</a>
  	<p id="sentence">You can stop desertification.</p>
  </div>
  
  <div id="about">
  	<h1>About iTree</h1>
  
  	<div id="shopping">
  		<span id="shopping-logo" class="glyphicon glyphicon-shopping-cart" aria-hidden="true"></span>
  		<p id="shopping-word">You buy seeding.</p>
  	</div>
  	
  	<div id="water">
  		<span id="water-logo" class="glyphicon glyphicon-tint" aria-hidden="true"></span>
  		<p id="water-word">You can water the remote seeding from here.</p>
  	</div>
  
  </div>
  
  
  <style>
  body{
  