table, th, td {
    border: 2px solid black;
    border-collapse: collapse;
    padding: 6px;
    text-align: center;
}

td {
  width: 100px;
  height: 25px;
}

th {
  font-weight: bold;
  font-size: 20px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.hidden {
  display: none;
}

.main-container {
  display: flex;
  flex-direction: column;
  height: 30px;
  row-gap: 20px;
  align-items: center;
  margin-top: 20px;
}

.correct {
  background-color: #4CAF50; /* Green */
}

.incorrect {
  background-color: red;
}

button {
  background-color: #4CAF50; /* Green */
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
}

.main-page {
  font-family: Georgia, serif;
  background-color: #fdfdfd;
  color: #333;
  line-height: 1.6;
  margin: 0;
  padding: 2em;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Title styling */
h1 {
  font-size: 2.5em;
  margin-bottom: 0.5em;
  border-bottom: 2px solid #ccc;
  padding-bottom: 0.3em;
}

/* Paragraphs */
p {
  margin-bottom: 1.2em;
  font-size: 1.1em;
}

/* Unordered list styling */
ul {
  padding-left: 1.5em;
  margin-bottom: 1.2em;
}

ul li {
  margin-bottom: 0.4em;
}

/* Optional: subtle link styling */
a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

:root {
  --pink: pink;
  --red: red;
  --orange: orange;
  --yellow: yellow;
  --green: lightgreen;
  --blue: lightblue;
  --indigo: hsl(275, 100%, 70%);
  --violet: violet;
  --bronze: #cd7f32;
  --silver: silver;
}
