body{font-family:teachers;
background-color:#DEB887;}
h1 {color:darkgreen;
text-align: center;}
h2 {color:#8B0000;
text-align:center;}
h3 {color:darkgreen;}
pre {color:#8B0000;
font-family:teachers;
font-weight:bold;  
}
.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;}
img {border-style:dotted;
  border-width: 15px;
  border-color: darkgreen;
}