.closeopenbox {
  background-color: #4268a5; /* #777, #4268a5 */
  color: white;
  cursor: pointer;
  padding: 10px;
  width: 100%;
  border: none;
  text-align: left;
  outline: none;
  border: 1px solid black;
  border-top-left-radius: 0.5em;
  border-top-right-radius: 0.5em;
  font-size: 15px;
}

.closeopenbox:hover {
  background-color: #555;
}

.closeopenbox:after {
  content: '\002B';
  color: white;
  font-weight: bold;
  float: right;
  margin-left: 5px;
  margin-bottom: 5px;
  border: 1px solid grey;
  border-radius: 0.5em;
}

.content {
  padding: 5px 10px;
  margin-bottom: 5px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.1s ease-out;
  background-color: #d7e0f8; /* c6d4f6 */
  border: 1px solid grey;
  border-bottom-left-radius: 0.5em;
  border-bottom-right-radius: 0.5em;
}

.answer {  
  background-color: #4268a5; /* 4268a5 */
}