body {background-color: lightgreen;}

div {
	background-color: lightgreen; 
	opacity: 0.5;	
}

div {
	background-color: lightgreen; 
	opacity: 0.5;	
}

img {
  border: 2px solid #ddd;
  border-radius: 5px;
  padding: 10px;
  width: 150px;
}

img:hover {
  box-shadow: 0 0 2px 1px rgba(0, 140, 186, 0.5);
}

.dot {
  height: 20px;
  width: 20px;
  background-color: #bbb;
  border-radius: 60%;
  display: inline-block;
}
/* unvisited link */
a:link {
  color: blue;
}

/* visited link */
a:visited {
  color: gray;
}

/* mouse over link */
a:hover {
  color: yellow;
}

/* selected link */
a:active {
  color: red;
}

.p {
  font-family: "Times New Roman", Times, serif;
}

ul.b {
  list-style-type: square;
}

ul.c {
  list-style-type: upper-roman;
}