Hi Anna,
Thank you for reaching out to us. To do this, add the following code in the Theme Options > CSS:
.x-colophon.bottom .x-nav {
float: left;
width: 50%;
margin: 0;
}
.x-colophon.bottom .x-colophon-content {
float: right;
width: 50%;
margin: 0;
}
.x-colophon.bottom .x-colophon-content h4 {
margin-top: 0
}
.x-colophon.bottom:before, .x-colophon.bottom:after {
content: '';
clear: both;
display: table;
}
If you would like to learn CSS, I am sharing few resources that you take a look to get started with CSS and an interesting tool that you can use to speed up the development process.
I recommend you to watch following video that will help you to get started with CSS.
https://www.youtube.com/watch?v=MFR4WXiLzpc
Sometimes it can get a bit difficult to find out the right selector to be able to write the required CSS codes. A handy tool that can help you in this is Google Chrome dev tools. I am sharing the resource that you can refer to get started with dev tools.
https://developers.google.com/web/tools/chrome-devtools/css/
https://developers.google.com/web/tools/chrome-devtools/
https://www.youtube.com/watch?v=tP_kXBJWPhQ&t=200s
Hope this helps!