#tagcloud .smallest{
    font-size: 14px
}

#tagcloud .small {
    font-size: 18px;
}
 
#tagcloud .medium {
    font-size: 22px;
}
 
#tagcloud .large {
    font-size: 26px;
}
 
#tagcloud .largest {
    font-size: 30px;
}