body {
  margin: 0;
  background-image: url("images/skyTile01.jpg");
  color: white;
  }
  
p {
margin: 5px;
}
  
.header, .left-sidebar, main {
  margin-top: 20px;
  }  

.header {
  height: 150px;
  background-image: url("images/stars01.jpg");
  border-style: ridge;
  border-width: 4px;
  text-align: center;
  }
  
h1 {
  margin: 46px;
  font-size: 49px;
  color: yellow;
  }

.wrapper {
  width: 1000px;
  margin: 0 auto;
  }
  
.main-wrapper {
  margin-left: calc(200px + 20px);
  display: block;
  }
  
.left-sidebar {
  width: 200px;
  float: left;
  }
  
.box {
  padding-left: 10px;
  padding-right: 10px;
  background-color: black;
  border-style: ridge;
  border-width: 4px;
  }