1details {
2  background-color: rgba(50, 150, 220, 0.08);
3  margin-bottom: 0.5em;
4  padding: 0 1em;
5  overflow-y: hidden; /* Suppress margin-collapsing */
6}
7details[open] {
8  border-bottom: 1px solid rgba(0, 0, 128, 0.2);
9  margin-bottom: 1em;
10}
11details summary {
12  font-weight: bold;
13  background-color: rgba(50, 150, 220, 0.1);
14  border-color: rgba(0, 0, 128, 0.2);
15  border-width: 1px;
16  border-style: solid none;
17  padding: 0.2em;
18  margin: 0 -1em;
19}
20details summary:hover {
21  background-color: rgba(50, 150, 220, 0.2);
22  cursor: pointer;
23}
24