/* The `problem-card` class has the following elements:
	1. A div with class `problem-prompt`;
	2. One or more divs with class `problem-submission`;
	3. A div with class `problem-feedback`;
	
	The prompt contains the statement of the problem. 
	The user submits answers in the problem-answer input boxes.
	Feedback based on whether the user's answers are correct or incorrect
	are put in the problem-feedback field.
*/


  .problem-card {
    border: 2px solid blue;
	border-radius: 10px;
	background-color: #E0E0FF;
    padding: 10px;
    display: inline-block; /* To make the box fit its content */
	margin-bottom: 5px;
	margin-left: 10px;
  }
  .problem-prompt {
	  margin-bottom: 5px;
  }
  .problem-submission {
	  margin-bottom: 5px;
  }
  .problem-feedback {
	  min-height: 20px;
  }