Trouble Customizing my Website

<style>
[data-skin-page]{
	--skin-palette-backdrop:#6898f8;
	background:url("Hills.png")
        center center / auto auto repeat-x,
        linear-gradient(
            to bottom,
            #6898f8 0%,
            #6898f8 50%,
            #00300d 50%,
            #00300d 100%
        );
}
[data-skin-root]{
	background:url("https://media.tenor.com/gu5-gJy_dGsAAAAj/hatsune-miku-dance.gif")
        150px 280px / 71px 100px no-repeat,
        url("CastleWalls.png")
        0 0 / auto auto repeat;
}
</style>

So i have used SpaceHey and Kwenk before and just wanted to copy my Layouts from these to here honestly >.>

But sadly either i am Dumb or they do not seem to Accept my Sites Files? O.o
Considering i host them on my own Website and theyre being Accessibly be the Other Programs/Sites i did not see an Issue but apparently nothing of mine Displays here or Displays wrong :(

So if anyone could help me thatd be amazing tbh ^^"

Here is my Kwenk Layout for example if anyone would be interested in such as thats the more up to date Version of my Layout ^^"