made you a playground on jsfiddle https://jsfiddle.net/sophtwhere/onpoxy4e/embedded/css%2Cresult/dark/ To use, paste your css into the CSS editor, and switch to result pane note: sample code has css for newtons balls animation, which you can just delete references: fiddle : https://jsfiddle.net/sophtwhere/se8Lcg83/1/embedded/result/ original source: http://oskargustafsson.github.io/CSS-spinners/#newton