Without seeing what changes you made it is difficult to find solution.
Copy your style.css as style-original.css and preserve this new file. You may need it to get back to your settings if the following fails. (If you need the original settings, then just copy the style-original.css as style.css, i.e., rewrite the style.css -- OK, having taken care of that important part,
Do the following in your style.css file >>
1. Do a full backup of your theme
2. Next, highlight all the part between and including >>>
/* begin Footer */
/* end PageFooter */
IMPORTANT:
I highlighted the above part in yellow and green colors because there are TWO sections I am asking you to select:
Footer (begin ~ end), and
PageFooter (begin ~ end) -- Please get the selection right.
3. Next, on this highlighted part just copy the following text overwriting the entire highlighted section (BTW, the following part is generated by Artisteer version 3.0.0.35414 Standard Edition)>>>
Code:
/* begin Footer */
.art-footer
{
position: relative;
overflow: hidden;
width: 100%;
}
.art-footer-b
{
position: absolute;
left:10px;
right:10px;
bottom:0;
height:10px;
background-image: url('images/footer_b.png');
}
.art-footer-r, .art-footer-l
{
position: absolute;
height:10px;
background-image: url('images/footer_s.png');
bottom: 0;
}
.art-footer-l
{
left: 0;
width:10px;
}
.art-footer-r
{
right: 0;
width:20px;
clip: rect(auto, auto, auto, 10px);
}
.art-footer-t
{
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 10px;
background-image: url('images/footer_t.png');
background-position: left bottom;
}
.art-footer-body
{
position:relative;
padding: 10px;
}
.art-footer-body .art-rss-tag-icon
{
position: absolute;
left: 6px;
bottom:10px;
z-index:1;
}
.art-rss-tag-icon
{
display: block;
background-image: url('images/rssicon.png');
background-position: center right;
background-repeat: no-repeat;
height: 32px;
width: 25px;
cursor: default;
}
.art-footer-text p
{
padding:0;
margin:0;
}
.art-footer,
.art-footer a,
.art-footer a:link,
.art-footer a:visited,
.art-footer a:hover
{
color: #EDFAFD;
font-size: 11px;
}
.art-footer-text
{
min-height: 32px;
padding: 0 10px 0 10px;
}
.art-footer,
.art-footer-text,
.art-footer p
{
text-align: center;
}
.art-footer a,
.art-footer a:link
{
color: #AAA492;
text-decoration: underline;
}
.art-footer a:visited
{
color: #1D1B16;
}
.art-footer a:hover
{
color: #DF6A5D;
text-decoration: none;
}
/* end Footer */
/* begin PageFooter */
.art-page-footer,
.art-page-footer a,
.art-page-footer a:link,
.art-page-footer a:visited,
.art-page-footer a:hover
{
font-family: Arial;
font-size: 10px;
letter-spacing: normal;
word-spacing: normal;
font-style: normal;
font-weight: normal;
text-decoration: underline;
color: #1798B5;
}
.art-page-footer
{
margin: 1em;
text-align: center;
text-decoration: none;
color: #565143;
}
/* end PageFooter */
Save the css file, then check in the browser if your footer looks kind of normal. I say kind of normal because the colors and other settings will not match with your original Theme. This substitution is being carried out to see if you have deleted any major part of the footer related css when you did those changes.
OK, if the footer looks right, then you know what was missing. Just replace the settings in this css file with all the settings from your original css text file which you had saved, and try looking in your browser again. May be, your problem is solved.
Else, replace this css file with the saved file and do another research to get a solution.
HTH