Why doesn't text-center in bootstrap?

Hello!
Tell me, please, why does not the centering in the footer?
<footer id="footer">
 <div class="row">
 <div class="col-xs-12 text-center text-white">
 <a href="#" title="About us">
 &copy; All rights reserved
</a>
</div>
</div>
 </footer>

#footer {
 position: fixed;
 /* Fixed position */
 left: 0;
 bottom: 0;
 /* Lower left corner */
 padding: 10px;
 /* Fields around the text */
 background: #0033aa;
 /* Background color */
 color: #fff;
 /* Text color */
 width: 100%;
 /* Layer width */
 margin-top: 20px;
}
March 19th 20 at 09:19
1 answer
March 19th 20 at 09:21
Without seeing the entire page code it's hard to say .
run DevTools in google chome and see if that overrides the styles.

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