.c1 {
	color: #999999;
}

.c2 {
	color: #0000ff;
}

.c3 {
	color: #ff0000;
}

.c4 {
	color: #ffffff;
}
.c5
{
    color: #000000;
}
.c6
{
	color:Green;
}
.tip
{
	color:red;
}