:root {
  --accent: #4CAF50;
  --accent-hover: #45a049;
}

mark {
  background-color: var(--accent);
  color: var(--accent-text);
  padding: 0.1em 0.2em;
  border-radius: 0.2em;
}

button.link {
  background: none;
  border: none;
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
  font: inherit;
}

button.link:hover {
  text-decoration: none;
  background: none;
}

.error_explanation {
    color: red;
    font-weight: bold;
    margin-bottom: 10px;
    padding: 10px;
    border: 1px solid red;
    background-color: #ffe6e6; /* Light red background for better visibility */
    border-radius: 5px;
}

.error_explanation ul {
    margin: 0;
    padding-left: 20px; /* Indent list items */
}

.error_explanation ul li {
    color: darkred; /* Slightly darker red for list items */
    font-weight: normal;
}