body {
  background-image: url("blog-background-image.jpg");
}

.background {
  margin-top: 30px;
  margin-right: 85px;
  margin-left: 75px;
  position: fixed;
  height: 100%;
  background-color: white;
  border: 2px solid #d3d3d3;
  border-radius: 20px;
  border-bottom: -50px;
  padding-top: 20px;
  padding-left: 30px;
  padding-right: 10px;
}

.background:before {
   content: " ";
   border-radius: 20px;
   position: fixed;
   z-index: -1;
   top: 22px;
   left: 67px;
   right: 70px;
   height: 100%;
   border: 1px solid white;
   background-color: white;
}

#navigation_bar {
  height: 50px;
  margin-right: -30px;
  margin-left: -50px;
  border-top: 3px dashed #d3d3d3;
  border-bottom: 3px dashed #d3d3d3;
  display: block;
  background-color: #5d4a7d;
}
body {
  background-image: url("blog-background-image.jpg");
}

.background {
  margin-top: 30px;
  margin-right: 85px;
  margin-left: 75px;
  position: fixed;
  height: 100%;
  background-color: white;
  border: 2px solid #d3d3d3;
  border-radius: 20px;
  border-bottom: -50px;
  padding-top: 20px;
  padding-left: 30px;
  padding-right: 10px;
}

.background:before {
   content: " ";
   border-radius: 20px;
   position: fixed;
   z-index: -1;
   top: 22px;
   left: 67px;
   right: 70px;
   height: 100%;
   border: 1px solid white;
   background-color: white;
}

#navigation_bar {
  height: 50px;
  margin-right: -29px;
  margin-left: -50px;
  border-top: 2px dashed #d3d3d3;
  border-bottom: 2px dashed #d3d3d3;
  display: block;
  background-color: #5d4a7d;
}
Add border to nav bar
Add border to nav bar
