fix: stabilize Examples page layout and sidebar scroll in Firefox#160

julien-deramond wants to merge 1 commit intoapache:gh-pagesapache/echarts-examples:gh-pagesfrom

julien-deramond:gh-pages-jd-fix-docs-scrolling-anchor-links-firefox-issuesjulien-deramond/echarts-examples:gh-pages-jd-fix-docs-scrolling-anchor-links-firefox-issuesCopy head branch name to clipboard