Css: adding head tags to html
& ltlinkrel = "stylesheet" type = "text/CSS" href = "CSS file path you downloaded"/>
js:& lt; Script type = "text/JavaScript" src = "the path of the js file you downloaded" > & lt/script & gt;;
2. Add a div of the house content in the html page, and the added id corresponds to the id in js and css.
Method 2:
There should be an html file in the file you downloaded.
You can directly import his html page into your page. As for the introduction method, js has a useful framework.