.title {  font-family: Arial, Helvetica, sans-serif; font-size: 18px; color: #0000FF; font-weight: bold}
.nav {  font-family: Arial, Helvetica, sans-serif; font-size: 12px; color: black; text-decoration: none}
.nav:hover { color: blue; text-decoration: none }
.content {  font-family: Arial, Helvetica, sans-serif; color: black}
.data {  font-family: "Courier New", Courier, mono; font-size: 14px; color: black; font-weight: bold}
.yellow {  background-color: yellow; layer-background-color: yellow; }
.box {  border: black; border-style: solid; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}
.blue { background-color: lightblue; layer-background-color: lightblue; }
.green { background-color: #00FF00; layer-background-color: #00FF00; }