Changed around line 1
+ :root {
+ --primary-color: #2c3e50;
+ --secondary-color: #3498db;
+ --background-color: #ecf0f1;
+ --text-color: #2c3e50;
+ --font-family: 'Arial', sans-serif;
+ }
+
+ body {
+ font-family: var(--font-family);
+ color: var(--text-color);
+ background-color: var(--background-color);
+ margin: 0;
+ padding: 0;
+ line-height: 1.6;
+ }
+
+ header {
+ background-color: var(--primary-color);
+ color: white;
+ padding: 2rem;
+ text-align: center;
+ }
+
+ header h1 {
+ margin: 0;
+ font-size: 2.5rem;
+ }
+
+ header p {
+ font-size: 1.2rem;
+ }
+
+ main {
+ padding: 2rem;
+ }
+
+ section {
+ margin-bottom: 2rem;
+ }
+
+ h2 {
+ color: var(--secondary-color);
+ margin-bottom: 1rem;
+ }
+
+ .quiz form {
+ display: flex;
+ flex-direction: column;
+ gap: 1rem;
+ }
+
+ .question {
+ display: flex;
+ flex-direction: column;
+ gap: 0.5rem;
+ }
+
+ select {
+ padding: 0.5rem;
+ border: 1px solid #ccc;
+ border-radius: 4px;
+ }
+
+ button {
+ background-color: var(--secondary-color);
+ color: white;
+ padding: 0.75rem;
+ border: none;
+ border-radius: 4px;
+ cursor: pointer;
+ font-size: 1rem;
+ }
+
+ button:hover {
+ background-color: #2980b9;
+ }
+
+ .result {
+ margin-top: 1rem;
+ padding: 1rem;
+ background-color: #fff;
+ border: 1px solid #ccc;
+ border-radius: 4px;
+ }
+
+ footer {
+ text-align: center;
+ padding: 1rem;
+ background-color: var(--primary-color);
+ color: white;
+ margin-top: 2rem;
+ }
+
+ @media (max-width: 768px) {
+ header h1 {
+ font-size: 2rem;
+ }
+
+ header p {
+ font-size: 1rem;
+ }
+
+ main {
+ padding: 1rem;
+ }
+ }