Make an option to round corners

[CarlBraun(Deck Enjoyer)]

With decky loader I had to install "CSS Loader" and found "Round" from EMERALD#0874. Corners became round and more calm, it works flawless, everywhere in Menus. Hope it can become an official feature.
Examples(also with "Obsidian" Theme):
1. https://steamuserimages-a.akamaihd.net/ugc/2022722200057914987/DFE866603B54E9FCFB57E65B7ECAEC69156B1BCF/?imw=5000&imh=5000&ima=fit&impolicy=Letterbox&imcolor=%23000000&letterbox=false
2. https://steamuserimages-a.akamaihd.net/ugc/2022722200057975137/6FB51DBEB0140A911E22C1DE79AA93D331B1A6A1/?imw=5000&imh=5000&ima=fit&impolicy=Letterbox&imcolor=%23000000&letterbox=false
3. https://steamuserimages-a.akamaihd.net/ugc/2022722200057975702/12738BAC6B1DF69D8D0C369787FD58C17AB48B44/?imw=5000&imh=5000&ima=fit&impolicy=Letterbox&imcolor=%23000000&letterbox=false