No framework, so so easy 404 Page, to take away it to use.
copy all files in folder code to your server, nothing else, no dependency.
this 404 Page provide two theme white and dark, the default is white
if you want to set, plase modify index.html, set dom body 's class to drak
<body class="dark">nothing else, so easy !
in this page's footer, you can set some links
modify index.html , find function setLinks, send params in the function
e.g.
setLinks([
{name: 'Home', url: 'http://www.liluhui.cn'},
{name: 'Contact', url: 'http://www.liluhui.cn/contact', target: '_blank'}
])