iframe{height:calc(100vh - 2.5em)}section{margin:0;position:relative}section.main{margin-bottom:20px}.header{width:100%;height:1.9em;display:flex}.header>*{flex:1}.open-history{display:flex;justify-content:flex-end}.update-history{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;opacity:0;transition:all 250ms ease;background-color:#f0f8ff}.update-history h1{font-size:1.5em;margin:20px 25px}.update-history h2{font-size:1.2em}.update-history .entry{margin:10px 25px}.update-history.view{pointer-events:all;opacity:1}