Nice CSS backgrounds https://coolbackgrounds.io/ https://www.magicpattern.design/tools/css-backgrounds https://www.gradientmagic.com/category/backgrounds https://fracergu.github.io/css-plasma-background-generator/ https://haikei.app/generators/ https://heropatterns.com/ https://projects.verou.me/css3patterns/ https://superdesigner.co/tools/css-backgrounds https://www.svgbackgrounds.com/set/free-svg-backgrounds-and-patterns/ https://www.toptal.com/designers/subtlepatterns/watercolor-pattern/ https://matthew.wagerfield.com/flat-surface-shader/ https://btmills.github.io/geopattern/ https://www.cssgradienteditor.com/ https://secure.backblaze.com/bzapp_web_assets/public/pics/sign_up_gradient.png