CSS

ooooh my god thank you so much its very sweet of you
really thank you:D

u can change the colors n stuff too :D

body {
background-image: url(𝗶𝗻𝘀𝗲𝗿𝘁 𝗽𝗶𝗰𝘁𝘂𝗿𝗲/𝗴𝗶𝗳 𝗵𝗲𝗿𝗲);
background-color: #000000;
background-color: black;
background-size: ;
background-attachment: ;
}