* {box-sizing:border-box;margin:0;padding-left:0px;}
body{font-family:Arial,sans-serif;margin:0;padding:0;background:#111;color:#e6e9ef;}
.sidebar-old {  width:230px;  color:white;  flex-shrink:0;
  box-shadow: 2px 0 10px rgba(0,0,0,0.1); background:#111; position:relative;  transition:width .2s;
}
.sidebar{
  width:230px;  height:100vh;  overflow-y:auto;  overflow-x:hidden;  color:white;  flex-shrink:0;
  box-shadow:2px 0 10px rgba(0,0,0,.1);  background:#111;  position:relative;  transition:width .2s;
}
.sidebar h2 { font-size:24px; padding: 0 0 6px; color: #36c; letter-spacing: .5px; }
.sidebar hr { border:none; border-top:1px solid #232a35; margin:8px 0; }
.sidebar ul { list-style: none; padding: 0; }
.sidebar ul li { margin: 8px 0; }
.sidebar ul li a {
  color: white; text-decoration: none; font-size: 1.0em; display: block; padding: 6px 0;
  transition: background-color 0.3s ease; cursor: pointer;
}
.sidebar ul li a:hover { background-color: #34495e; }
.sidebar ul li a:focus,
.sidebar ul li a:focus-visible {
  background-color: transparent; background-image: linear-gradient(to left, #111, #358, #123);  outline: none;
}
.sidebar ul li a.active { color: #00ee00; }
.sidebar ul li a i { margin-right: 10px; min-width: 20px; text-align: center; }