.chap1 {
  margin-right: 40px;
  margin-left: 40px;
  margin-bottom: 5px;
  font-weight: bold;
  padding: 5px;
  }
  
  .chap2 img {
 float: left;
 margin-left: 20px;
 margin-right: 20px;
 padding: 0px;
  }

.chap2 {
padding: 20px;
}
.chap3 img {
 float: left;
 margin-left: 20px;
 margin-right: 20px;
 padding: 0px;
  }

.chap3 {
padding: 20px;
}
.clear {
clear: both;
}