K, this is what you will want then
body:not([class*='category-']) #create-topic {
display: none;
}
body.tags-page #create-topic {
display: block;
}
K, this is what you will want then
body:not([class*='category-']) #create-topic {
display: none;
}
body.tags-page #create-topic {
display: block;
}