To make a conclusion in two or three columns, first of all, we need to enable the change the output of the subsections in the style settings.
Appearance -> Style properties -> Node/forum list
And select the item there.
Listed below node
Then, for output in two columns, add to the template - extra.less.
.node .node-subNodeFlatList li {
float: left;
margin: 2px 0 2px 2%;
width: 45%;
}
For output in three columns, add to the template - extra.less.
.node .node-subNodeFlatList li {...