Vantate Free- Sidebar showing at bottom of product pages

I just installed vantage 1.7.10 with child theme. The sidebar is showing at the bottom on the individual product pages. I used the css code I found answering the same question on another thread. Here is css I used. It is not workig for me.

media (min-width: 681px){
.woocommerce-page #container {
float: left !important;
width: 71.287% !important;
}