Is it possible that the color for “Read more →” is dependent on if an excerpt was added manually to the post or if the <!–more–> tag was used in the post?

It looks to us that having the <!–more–> tag in the content (even if there is an excerpt), changes the styling of the “Read more →” .

Ideally, we don’t want to have to manually create/maintain an excerpt for each post.

Much thanks.

1) The color seems to work only sometimes. See, for examples:
* http://methodm.com/blog/ (only the first “Read more →” appears in red.)
* http://methodm.com/news/ – never appears in red
* http://methodm.com/dita/ – some appear in red but other do no

2) Yes. How can we change “Read more →” to, for example, “Click here for more”