Changed template, upgraded to Gantry 5, now customization not working...

Changed template, upgraded to Gantry 5, now customization that was done a couple months ago is not working. I initiated a support request, and you got back with me on what code to add. I added it, and still not working. Please advise. My OLD template was rockettheme "Vermilion" with Gantry 4 (IMage of the old site attached. ). The NEW template is Rockettheme "Requiem" with Gantry 5 (URL info in the URL section). Here is the instructions I was given by your team:

Hey Brett,

You will need to ensure that the following files and folders are copied to your new template,

/templates/rt_vermillion/html/mod_easydiscusscategories/
/templates/rt_vermilion/css/rt_vermilion-custom.css

Hey Brett,

This is the css codes that my designer added earlier,

.discuss-mod-categories li {
padding: 10px;
border-bottom: 1px solid #e0e0e0;
}
.discuss-mod-categories .item-title {
text-decoration: none;
display: block;
}
.discuss-mod-categories .mod-ed-counter {
float: right;
background: #cf230a;
color: #fff;
font-size: 12px;
font-style: normal;
font-weight: normal;
padding: 0 2px 0;
min-width: 20px;
text-align: center;
border-radius: 15px;
}