#sidebar {
    padding: 6px 8px;
    font: 14px/16px Arial, Helvetica, sans-serif;
    background: white;
    background: rgba(255,255,255,0.8);
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
    border-radius: 5px;
    width: 50vw;
    height: 100vh;
    max-width: 480px;
    line-height: 2em;
}

#sidebar img {
    width:100%;
}

#header > *{
  display: block;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  max-height: 30vh;
}

#header{
    border-bottom: 3px solid black;
    margin-bottom: 10px;
    max-height:60vh;

}

#text{
    overflow:auto;
    max-height:40vh;

}