/* General */
body {
  font-family: Arial, sans-serif;
  background-color: #f7f7f7;
  margin: 0;
  padding: 0;
}

/* Header */
header {
  background-color: #24292e;
  color: white;
  padding: 20px;
  text-align: center;
}

/* Main content */
main {
  max-width: 800px;
  margin: 20px auto;
  padding: 0 20px;
}

h2 {
  color: #24292e;
}

/* Lista de tareas */
ul {
  list-style-type: none;
  padding: 0;
}

li {
  background-color: white;
  margin: 10px 0;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}

li:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Enlaces */
a {
  color: #0366d6;
  text-decoration: none;
}