Align content inside Color Section to bottom

Hi,
so I have a color section that should have a paragraph centered vertically and horizontally. So far all good. Now I would like to add three columns of text, 1/5 each, horizontally centered, aligned within themselves to the top, but at the bottom of the color section.

I looked at the documentation, there’s a part dedicated to content alignment. But when I followed the steps outlined there I could not get the content to align to the bottom.

These are the instructionsI followed from the documentation (I already replaced the ID to a customized one):

To align the content at the bottom of the color section, give your color section a custom ID “section-content-bottom”:

/*------------------------
  Content alignment
--------------------------*/

#section-message .container .content {
  vertical-align: bottom;
}

Also, is there a way to horizontally center the three 1/5 columns without having to add two 1/5 columns to each side?

Thank you in advance for your input.