body{
  background-color:darkgrey; 
  color:khaki;
  font-family:cursive; 
}

h1 {
  color:#fffff0;
  text-align:center;
  font-size:99px;
  font-family:fantasy;
  background-color:black;
}

h3 {
  font-family:helvetica;
  color:purple;
  background-color:lightblue;
  text-align:center;
    margin-top: 200px;
  margin-bottom: 100px;
  margin-right: 200px;
  margin-left: 200px;
}
h6 {
 text-align:center; 
 color:black;
 font-style:italic;

}

.rocks {
  background-image: url("BG_2.gif");
}

.stones {
  background-image: url("Background_Image.gif");
}

.pebbles {
  background-image: url("Fire_2.gif");
}

.cobble {
  text-align:center;
}

.boulder {
  text-align:center;
  font-family:cursive;
  background-image: url("History_Book.gif");
  background-repeat:no-repeat;
  background-color:white;
  background-position: left;
  color:black;
  margin-top: 200px;
  margin-bottom: 50px;
  margin-right: 200px;
  margin-left: 200px;
  border: double;
  border: 5px solid red;
  border: 4px dotted red;
}