.demo-copy-code-button,.demo_button,.demo_code .demo,.demo_preview,.demo_resize,.demo_toggle{-webkit-box-sizing:border-box;box-sizing:border-box}:root{--code-block-border-radius:0;--code-block-margin:0}.xmind_preview{position:relative}.loading-xmind-overlay{height:350px;line-height:350px;margin:0 auto;position:absolute;text-align:center;width:100%}