body {
width:700px;
background-color: #E9E9E9;
font-family: "Times New Roman";
font-size: 1em;
margin-left : 40px;}


#def_variable {width : 50%; float: left; margin-top: 0px;}
#im_variable {width : 42%; float: left; margin-top: 0px;}


h1 {
	color: #FF000080;
	}
 
h2 {
	color: #4682b4;
	}
	
h3 {
	color: #4682b4;
	}
h4 {
	color: #FF000090;
	
	}
	

 .par{
 border-left: 3px solid #5c8fbb;
 width :100%;
 float:left;
 margin-left:20px;
 margin-bottom: 0px ;
 padding-left: 10px;
 }
 
 .cent{
 width :100%;
 float:left;
 }
 
  
 #block{
 width :100%;
 float:left;
 margin-left:0;
 margin-top: 0;
 margin-bottom: 20px;
 }