>>/20781/
>>/20786/
>>/20793/
Do you guys have any objection against data-uri solution?
It will be like that for each ball:
background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAARCAYAAADHeGwwAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA0klEQVQ4y7VUOxaCMBDc4aXCi1DiDeQ2HMnbYGknpbV3kHYsYjA/Nz4M2+XNspOdmQCSohUAtYEkNNwUh3fjep4e12yPRmLUW3vDRUROz1u6gdefI0IsUUmSUsUkTc3huRlN0tGNiTRuS5ISb6xhgQexobm6HI5FbGr7wHjzg6YCIDT5fc5iHr6a/C01cj8H0vkxHZb5E9+2Dz5zGEmsBKUHt8FsSyAijG9Qq4ZlzqSocsFKxX2GAzZFWvz+JvFTVMuLJEXxE98qGbz8u4e2+8/uBQx1hTp1mSepAAAAAElFTkSuQmCC)
At least it looks better than hosting images in posts.