body {
  margin: 0;
  padding: 0;

  display: flex;
  flex-direction: column;
  height: 100vh;
}

.files {
    display: flex;
    flex-direction: column;
  }

  .settings {
    display: flex;
    flex-direction: column;
  }

/* The navbar container */
.topnav {
  overflow: hidden;
  background-color: #333;
}

/* Navbar links */
.topnav a {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
  }

  .topnav label {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
  }

  /* https://stackoverflow.com/questions/572768/styling-an-input-type-file-button */
input[type="file"] {
display: none;
}

/* Links - change color on hover */
.topnav a:hover {
    background-color: #ddd;
    color: black;
  } 

  .topnav label:hover {
    background-color: #ddd;
    color: black;
    cursor: pointer;
  } 

.row {
    display: flex;
    height: 100%;
    overflow: hidden;
}

 /* Create three equal columns that float next to each other */
 .column-center {
  flex-grow: 1;
  height: 100%;
  /*background-color: yellow;*/
  overflow: scroll;
}

.column-left {
    width: 250px;
    min-width: 250px;
    height: 100%;
    background-color: #ddd;
}

.column-right {
    width: 300px;
    min-width: 300px;
    height: 100%;
    background-color: #ddd;
}