* {
  box-sizing: border-box;
}


body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #333;
  background-color: #f8f8f8;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  background-color: #fff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
}

h1 {
  font-size: 2rem;
  color: #212121;
  text-align: center;
  margin-bottom: 2rem;
}

.projects {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.project-link {
  background-color: #f5f5f5;
  padding: 1rem;
  border-radius: 8px;
  color: #212121;
  text-decoration: none;
  border: 2px solid transparent;
  font-size: 1.1rem;
  text-align: center;
  transition: all 0.3s ease;
}

.project-link:hover,
.project-link:focus {
  border-color: #212121;
  background-color: #e0e0e0;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
}