:root {
  --primary: #2c3e50;
  --secondary: #3498db;
  --accent: #e74c3c;
  --light: #ecf0f1;
  --dark: #2c3e50;
  --success: #27ae60;
  --warning: #f39c12;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: #f5f7fa;
  color: var(--dark);
  line-height: 1.6;
}

h2 {
  color: var(--primary);
  margin-bottom: 2rem;
  text-align: center;
  font-size: 2rem;
  position: relative;
}

h3 {
  margin: 1.5rem 0 1rem;
}

.container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 2rem;
      }

header {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}


/* powered by section */
.about {
  margin-inline: auto;
  padding: 10px;
  background-color: #bde5ff7c;
  border-radius: 20px;
  text-align: center;
}

.about a {
  display: inline-block;
  margin-block: 1rem;
  margin: 0 auto;
  color: #fff;
  font-weight: bold;

  background-color: #3498db;
  padding: 5px 8px;
  border-radius: 30px;
  text-decoration: none;
  transition: background-color 0.3s ease;
}