/* Global styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f1f1f1;
  font-size: 16px;
}

a {
  text-decoration: none;
  color: #000000;
}

/* Header styles */
header {
  background-color: white;
  color: black;
  padding: 10px;
}

header h1{
  font-size:24px;
  margin:10px;
  text-align: center;
}

header nav ul {
  list-style: none;
  display: flex;
  justify-content: space-between;
}

header a{
  color: black;
  font-size: 20px;
  padding: 10px;
}

header a:hover {
  background-color: gray;
}

/* Main styles */
main {
  display: flex;
  flex-wrap: wrap;