Changed around line 1
+ :root {
+ --primary-color: #4CAF50;
+ --secondary-color: #FFC107;
+ --background-color: #F5F5F5;
+ --text-color: #333;
+ }
+
+ body {
+ font-family: 'Arial', sans-serif;
+ margin: 0;
+ padding: 0;
+ background-color: var(--background-color);
+ color: var(--text-color);
+ line-height: 1.6;
+ }
+
+ header {
+ background: var(--primary-color);
+ color: white;
+ padding: 2rem;
+ text-align: center;
+ }
+
+ h1 {
+ margin: 0;
+ font-size: 2.5rem;
+ }
+
+ main {
+ padding: 2rem;
+ }
+
+ .activity {
+ margin-bottom: 3rem;
+ background: white;
+ padding: 2rem;
+ border-radius: 8px;
+ box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+ }
+
+ .circle-container {
+ display: flex;
+ justify-content: center;
+ margin: 2rem 0;
+ }
+
+ .circle {
+ width: 100px;
+ height: 100px;
+ background: var(--secondary-color);
+ border-radius: 50%;
+ animation: breathe 4s infinite;
+ }
+
+ @keyframes breathe {
+ 0%, 100% { transform: scale(1); }
+ 50% { transform: scale(1.5); }
+ }
+
+ .card-grid {
+ display: grid;
+ grid-template-columns: repeat(2, 1fr);
+ gap: 1rem;
+ margin: 2rem 0;
+ }
+
+ .card {
+ background: var(--primary-color);
+ height: 100px;
+ border-radius: 8px;
+ cursor: pointer;
+ transition: transform 0.3s;
+ }
+
+ .card:hover {
+ transform: scale(1.05);
+ }
+
+ .focus-container {
+ position: relative;
+ height: 200px;
+ margin: 2rem 0;
+ }
+
+ .moving-target {
+ width: 50px;
+ height: 50px;
+ background: var(--secondary-color);
+ border-radius: 50%;
+ position: absolute;
+ animation: move 5s infinite alternate;
+ }
+
+ @keyframes move {
+ 0% { left: 0; top: 0; }
+ 50% { left: calc(100% - 50px); top: calc(100% - 50px); }
+ 100% { left: 0; top: calc(100% - 50px); }
+ }
+
+ footer {
+ text-align: center;
+ padding: 1rem;
+ background: var(--primary-color);
+ color: white;
+ }
+
+ @media (max-width: 768px) {
+ h1 {
+ font-size: 2rem;
+ }
+
+ .card-grid {
+ grid-template-columns: repeat(2, 1fr);
+ }
+ }