h1, h2, h3, p
{text-align:center}

body {
font-family: arial;
background-color: LimeGreen;
}

/* unvisited link */
a:link {
    color: yellow;
}

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

/* hover link */
a:hover {
    color: orange;
}

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

table {
	width: 100%; }

tr {
	 text-align: center; 
	background-color: black; }
td {
	width: 33%; }

img.Life1 {
	width: 600px;
	height: 450px; }
img.Life2 {
	width: 600px;
	height: 400px; }
img.Life3 {
	width: 400px;
	height: 600px; }
img.Life4 {
	width: 400px;
	height: 300px; }