Untitled

f = file.open("index", "w")
if f then
    file.write("HTTP/1.1 200 OK\r\n")
    file.write("Content-Type: text/html; charset=utf-8\r\n\r\n")
    file.write([[<!DOCTYPE html><html><head><meta charset="UTF-8"><title>Shiny Lights</title><style type="text/css">
.a0:before, .a1:before {content: "]])
    file.write(string.char(0xF0) .. string.char(0x9F) .. string.char(0x94) .. string.char(0x93))
    file.write([[";color: red; .a1:before, .a2:before, .a3:before, .a4:before {content: "]])
    file.write(string.char(0xF0) .. string.char(0x9F) .. string.char(0x94) .. string.char(0x92))
    file.write([[";} .a2:before {color: orange;} .a3:before {color: yellow;} .a4:before {color: lime;}
</style>
</head>
<body>
<h1>Confiure your shiny lights</h1>
<form action="/" method="post">]])
file.flush()
file.close()
end