made error/warning button push more obvious

vscode-appdaemon/media/logExplorer.html

@@ -3,7 +3,7 @@
 <meta http-equiv="Content-Security-Policy" content="default-src 'none'; style-src {{CSP}}; script-src 'nonce-{{NONCE}}';">
 <link rel="stylesheet" href="{{CSS}}"><title>AppDaemon · Logs</title></head>
 <body>
-<header><div><h1>AppDaemon <span>Logs</span></h1><p id="status" role="status">Reading logs…</p></div><div class="actions"><button id="error-count" title="Show errors across all apps in loaded history">0 errors</button><button id="warning-count" title="Show warnings across all apps in loaded history">0 warnings</button><button id="clear" title="Empty configured log files">Clear logs</button></div></header>
+<header><div><h1>AppDaemon <span>Logs</span></h1><p id="status" role="status">Reading logs…</p></div><div class="actions"><button id="error-count" aria-pressed="false" title="Show errors across all apps in loaded history">0 errors</button><button id="warning-count" aria-pressed="false" title="Show warnings across all apps in loaded history">0 warnings</button><button id="clear" title="Empty configured log files">Clear logs</button></div></header>
 <nav aria-label="Filters"><input id="search" type="search" placeholder="Search apps, entities and messages…" aria-label="Search"><select id="period" aria-label="Time range"><option value="15">15 minutes</option><option value="60">1 hour</option><option value="1440">24 hours</option><option value="0" selected>All loaded</option></select><select id="level" aria-label="Level"><option value="all">All levels</option><option value="INFO">INFO</option><option value="WARNING">WARNING</option><option value="ERROR">ERROR</option><option value="DEBUG">DEBUG</option></select></nav>
 <div id="warnings" role="status"></div>
 <main><section class="apps" aria-label="Applications"><div class="section-title"><h2>Applications</h2><span id="count"></span><select id="sort" aria-label="Sort apps"><option value="latest" selected>Latest log first</option><option value="oldest">Oldest log first</option><option value="name">App name</option></select></div><div id="apps"></div></section><section class="causes" aria-label="Log details"><div class="section-title"><h2>Log details</h2><div><button id="graph-mode" aria-pressed="true">Graph</button><button id="tree-mode" aria-pressed="false">Tree</button></div></div><div id="detail"><div class="empty">Select a log to view its details.<p>The base AppDaemon log format does not include causal links.</p></div></div></section></main>