html, body { 
  margin:0; 
  padding:0; 
  border:none; 
}
#container { 
  width: 80%; 
  max-width: 1000px; 
  min-width: 300px; 
  margin: 0 auto; 
  padding: 0;
}
#container h1 { 
  border: thin solid green; /* remove this line to remove the border */
}
#container h2 { 
  clear: both; 
  border: thin solid blue; /* remove this line to remove the border */
}
#thick-col { 
  width: 78%; 
  float: right; /* switch this to left and below to right to change the column locations */
  border: thin solid black; /* remove this line to remove the border */
}
#thin-col {
  width: 20%; 
  float: left; /* switch this to right and above to left to change the column locations */
  border: thin solid red; /* remove this line to remove the border */
}