The best approach to correcting styling issues is to use FireBug (in FireFox) or Developer Tools (in Internet Explorer) to inspect the page elements in question. You will be able to see what CSS rules are ultimately being applied and causing the line to appear.

Following an upgrade of a site today from DNN 6.2.7 to 7.2.0, I had a similar line appear below the titles of all modules on the home page which used an h1 tag in their containers. Come to find out after a bit of element and css inspection that it was coming from a style rule set in module.css of an older version of the DNN blog module (4.1.1) whose latest blog entries module was also in use on the home page:

h1,.HorizontalLine {border-bottom-width:1px;border-bottom-style:dotted;border-bottom-color:#AAA;}

Upgrading of the Blog module took care of the issue - but I could have also done so by adding a style rule such as

h1 {border-bottom-width: 0px}

to my skin.css style sheet.

}

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Bill, WESNet Designs
Team Lead - DotNetNuke Gallery Module Project (Not Actively Being Developed)
Extensions Forge Projects . . .
Current: UserExport, ContentDeJour, ePrayer, DNN NewsTicker, By Invitation
Coming Soon: FRBO-For Rent By Owner