ul.sidenav {
  list-style-type: none;
  margin-top: 100px;
  padding: 0;
  width: 250px;
  background-color: #d1d1d1;
  position: fixed;
/*   height: 100%; */
  overflow: auto;
  box-shadow: 8px 8px 8px -4px black;
}

ul.sidenav li a {
  display: block;
  text-decoration: none;
}
 
ul.sidenav li.sidenav-spacer {
  display:block;
  height:20px;
  background-color:white;
} 

ul.sidenav li div {
   padding:0;
   text-align:center;
   font-size:30px;
   background-color:white;
}
ul.sidenav li div * {
   vertical-align:middle;
}

div.realbody {
  max-width: 900px;
  min-width: 300px;
  margin-left: 270px; /* 20px+ width of ul.sidenav */
  margin-top: 20px;
  margin-bottom: 20px;
  padding: 32px;
  background-color: #F0F0F0;
}

body {
  padding:0px;
  margin:0px;
}

div.title {
  width:100%;
  position:fixed;
  background-color:white;
  box-shadow: 0px 8px 8px -8px black;
  margin:0px;
}

div.title,
div.title-spaceholder { 
/* title-spaceholder is the blank div hidden behind the title div */
  height:60px;
  padding:10px 0 10px 0;
}


div.title > * {
  vertical-align:middle;
  margin:auto;
  display:inline-block;
}


div.title > img {
  margin: 0px 30px 0px 0px;
  height:100%;
} 

  
div.page {
  margin-left: auto;
  margin-right: auto;
  padding-left: 10px;
  padding-right: 10px;
  display: table;
}


@media screen and (max-width: 1000px) {
  ul.sidenav {
    width: 100%;
    height: auto;
    position: relative;
    margin-top: 10px;
  }
  
  ul.sidenav li a {
    float: left;
    padding: 15px;
  }
 
  div.title {position:relative; text-align:center;}
  div.title span.title-description { display:none; }

  div.realbody {margin-left: 0;}
  div.title-spaceholder {display: none;}

}

@media screen and (max-width: 600px) {
  ul.sidenav li a {
    text-align: center;
    float: none;
  }
}

ul.gs > li {
  margin: 10px;
}

ul.gs a {
  padding: 4px;
}