.img {
margin-top: 0.2em;
text-align: center;
margin-bottom: 0.2em;
text-indent: 0em;
}
img
{
max-width: 100%;
}
.toc-chapter 
{ display: block;
	font-family: sans-serif;
 font-size: small;
 margin-top: 0.25em;
 margin-bottom: 0em;
 margin-left: 0em;
 margin-right: 0em;
 text-indent: 0em;
 }
.toc-head 
{ display: block;
	font-family: sans-serif;
 font-size: large;
 text-align: center;
 margin-top: 7%;
 margin-bottom: 1.5em;
 text-indent: 0em;
 }
.crt { display: block;
	font-family: sans-serif;
 font-size: small;
 margin-top: 0em;
 margin-bottom: 0em;
 text-indent: 0em;
 }
.crt1 { display: block;
	font-family: sans-serif;
 font-size: small;
 margin-top: 1.5em;
 margin-bottom: 0em;
 margin-left: 0em;
 margin-right: 0em;
 text-indent: 0em;
 }
.crt2 { display: block;
	font-family: sans-serif;
 font-size: small;
 margin-top: 3%;
 margin-bottom: 0em;
 margin-left: 0em;
 margin-right: 0em;
 text-indent: 0em;
 }