Hi Larry,
In your powerstore/webassist/themes/Jumonville%20Store%20Main/css/dark_styles.css (line 90)
#main .sidebar {
float: right; /* change to float:left */
padding-bottom: 30px;
padding-top: 20px;
width: 25%;
}
and at line 102,
#main .content {
border-right: 1px solid #C4C4C4; /* change to border:left: 1px solid #C4C4C4; */
float: left;
min-height: 200px;
padding: 20px 20px 20px 0; /* change to padding: 20px 0 20px 20px; */
width: 71%;
}