* {
  font-family: sans-serif;
}

body {
    background-image: url("../img/background.png");
  
}

.heading {
  font-weight: 400;
  text-align: center;
  background: #293538;
  margin: 0;
  color: white;
  padding: 10px 0;
}

.wrapper {
  padding: 20px 10px;
  margin: 0 auto;
  width: 300px;
}

.file-browser {
  background: ghostwhite;
  
  padding: 20px 10px;
}
.file-browser ul {
  background: ghostwhite;
  width:95% !important;
}

.file {
  
  display: block;
  list-style: none;
}

.folder {
  list-style: none;
  cursor: pointer;
  margin: 4px 0;
}
.folder > ul {
  display: none;
}
.folder:before {
  padding: 4px;
  height: 18px;
  width: 20px;
  text-align: center;
  line-height: 10px;
  background: #5f6f72;
  border-radius: 1px;
  display: inline-block;
  content: '+';
}
.folder.folder-open > ul {
  display: block;
  padding-left: 15px;
  margin-left: 9px;
  border-left: 2px solid #5f6f72;
}
.folder.folder-open:before {
  content: '-';
}