.cn { display: block;
 font-size: x-large;
 font-family: sans-serif;
 text-align: center;
 margin-top: 20%;
 margin-bottom: 2%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }
    
    
    
    .cotx { display: block;
 font-size: small;
 margin-top: 4%;
 margin-bottom: 0%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }
    
    
    .ct { display: block;
 font-size: large;
 font-family: sans-serif;
 text-align: center;
 margin-top: 2%;
 margin-bottom: 6%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }
    
    .ded { display: block;
 font-size: small;
 text-align: center;
 margin-top: 0%;
 margin-bottom: 0%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }

.ded2 { display: block;
 font-size: small;
 text-align: center;
 margin-top: 20%;
 margin-bottom: 0%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }
    
    .ext { display: block;
 font-size: small;
 text-align: center;
 margin-top: 0%;
 margin-bottom: 0%;
 margin-left: 4%;
 margin-right: 4%;
 text-indent: 0%;
 }

.ext1 { display: block;
 font-size: small;
 text-align: center;
 margin-top: 2%;
 margin-bottom: 0%;
 margin-left: 4%;
 margin-right: 4%;
 text-indent: 0%;
 }

.ext2 { display: block;
 font-size: small;
 text-align: center;
 margin-top: 0%;
 margin-bottom: 0%;
 margin-left: 4%;
 margin-right: 4%;
 text-indent: 0%;
 }

.ext3 { display: block;
 font-size: small;
 text-align: center;
 margin-top: 0%;
 margin-bottom: 2%;
 margin-left: 4%;
 margin-right: 4%;
 text-indent: 0%;
 }

.ext4 { display: block;
 font-size: small;
 text-align: center;
 margin-top: 4%;
 margin-bottom: 4%;
 margin-left: 4%;
 margin-right: 4%;
 text-indent: 0%;
 }
    
    
    
    
    
    p { display: block;
 font-size: small;
 margin-top: 0%;
 margin-bottom: 0%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 4%;
 }

div { display: block;
 margin-top: 20%;
 }

.toc-chapter { display: block;
 font-size: small;
 margin-top: 2%;
 margin-bottom: 2%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }

.toc-part { display: block;
 font-size: small;
 font-weight: bold;
 margin-top: 4%;
 margin-bottom: 2%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }

.toc-head  { display: block;
 font-size: large;
 text-align: center;
 margin-top: 20%;
 margin-bottom: 8%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }

.toc-front { display: block;
 font-size: small;
 margin-top: 2%;
 margin-bottom: 2%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }

.crt { display: block;
 font-size: small;
 text-align: center;
 margin-top: 0%;
 margin-bottom: 0%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }

.crt1 { display: block;
 font-size: small;
 text-align: center;
 margin-top: 4%;
 margin-bottom: 0%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }

.crt2 { display: block;
 font-size: small;
 text-align: center;
 margin-top: 20%;
 margin-bottom: 0%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }


.img { display: block;
 font-size: small;
 text-align: center;
 margin-top: 2%;
 margin-bottom: 2%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }

    
    .p1 { display: block;
 font-size: small;
 margin-top: 0%;
 margin-bottom: 0%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }
    
    
    
    .p2 { display: block;
 font-size: small;
 margin-top: 4%;
 margin-bottom: 0%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }
   
   
   .spb { display: block;
 font-size: small;
 margin-top: 4%;
 margin-bottom: 0%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 } 
    .p3 { display: block;
 font-size: small;
 margin-top: 15%;
 margin-bottom: 0%;
 margin-left: 0%;
 margin-right: 0%;
 text-indent: 0%;
 }