*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  background:#050505;
  color:#fff;
  font-family:Arial, sans-serif;
  overflow:hidden;
}

/* HEADER */
.topbar{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:60px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:0 20px;
  border-bottom:1px solid #222;
}

/* MAIN PLANE */
#main{
  position:absolute;
  top:50%;
  left:40%;
  transform:translate(-50%,-50%);
  text-align:center;
}

#plane{
  font-size:90px;
  color:#00ff88;
  text-shadow:0 0 25px #00ff88;
}

#info{
  margin-top:10px;
  font-size:18px;
  color:#ccc;
}

/* SIDEBAR */
.sidebar{
  position:fixed;
  right:0;
  top:60px;
  width:300px;
  height:calc(100% - 60px);
  border-left:1px solid #222;
  padding:15px;
  overflow:auto;
}

.sidebar h3{
  color:#00ff88;
  margin-bottom:10px;
}