.spir1
{
background-color:lightgoldenrodyellow;
font-color:goldenrod;
text-align:center;
}
.spir2
{
background-color:lightskyblue;
font-color:lightsteelblue;
text-align:center;
}
.spir3
{
background-color:lightcoral;
font-color:mediumvioletred;
text-align:center;
}
.spir4
{
background-color:#D8F9D6;
font-color:lightseagreen;
text-align:center;
}
.base1
{
background-color:ivory;
font-color:black;
text-align:center;
}