Add changes to your custom.css of your theme. This sample puts in the right bottom corner.
.tundra .sprintrFeedbackNode {
background: url(images/feedback_horizontal.png) no-repeat scroll 0 0 transparent !important;
bottom: 0 !important;
color: white !important;
cursor: pointer !important;
height: 35px !important;
position: fixed !important;
right: 0 !important;
vertical-align: bottom !important;
width: 102px !important;
z-index: 10000 !important;
top: inherit;
}