https://github.com/tenman 🔍 a[href^="https://github.com/"]{ visibility:hidden; overflow:hidden; border:1px solid #ccc; padding:4px; border-radius: 12px 0 0 12px; height:26px; background:#ecf0f1; color:#555; box-sizing:border-box; transi … 続きを読む hoverした後にn秒間表示をし続ける CSS