no more bands underneath your top gadgets in blogspot

And following closely, is another really good one from SouthernSpeakers:

Unfortunately it isn't only your pages gadget! Any gadget you place up at the top of your page seems to get this nasty old band underneath it. To get rid of them once and for all, simply go to Design > Template Designer > Advanced > Add CSS and paste the following code: 

.tabs-outer {
  background: none !important;
}
.tabs-cap-top, .tabs-cap-bottom {
  border-top: none;
}

Then press enter after the last character of the last line } (after the last curly bracket, in other words). Apply to Blog. Done!
Thank you SouthernSpeakers! Awesome!
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And here is Onur's addition: The page that he has directed us to tells us to do one of two things with the following text. You can either go to the Template Editor > Advanced > Add CSS. Or you can go directly to the HTML editor and look for ]]></b:skin> and paste it right before that line.

So, here is the code if you want to center your pages:

.PageList {text-align:center !important;}
.PageList li {display:inline !important; float:none !important;}

If you want the pages to align right however, then this is it:

.PageList {text-align:right !important;}
.PageList li {display:inline !important; float:none !important;}

If the tabs stack on each other after you added the code, replace display:inline with display:inline-block.

 ( Note:   And be sure to catch the little fullstops at the beginning of every line of the code. Very easy to miss, so be extra careful!  ) 

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