I realize that This might be solved reasonably very easily with JavaScript, but I am only thinking about a pure CSS solution. ・ リレーのバトンパスや走り高跳びに関する指導上のポイントや留意点、練習方法に関すること。 @weasel5i2 and @Obsidian. I'd personally suggest using SVG rather then GIF, nonetheless, is the fact that's improved each for general performance and for the sharpness https://robertq654ufp5.blogoscience.com/profile