body { 
  font-family: Arial, sans-serif
}

.red { color: #FF0000; }
.blue { color: #0000FF; }
.lightblue { color: #8080FF; }
.green { color: #00FF00; }
.darkgreen { color: #00a000; }
.grey { color: #808080; }
.black { color: #000000; }

.centered { text-align: center; }