style.css

* {
  margin: 0;
  padding: 0;
}

body {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-self: center;
}

header {
  width: 100%;
  height: 6rem;
  margin-top: 1rem;
  display: flex;
  justify-content: center;
}

main {
  width: 100%;
  height: 40rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: 2rem;  
}

nav {
  width: 100%;
  height: 4rem;
  display: flex;
  justify-content: center;
}

nav a {
  width: 10rem;
  height: 2rem;
  text-decoration: none;
  text-align: center;
  border-radius: 15px;
  border: 4px double #56056a;
  margin: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.2rem;
}

nav a:hover,
nav a:focus {
  background-color: #56056a;
  cursor: pointer;
  border: 4px double #dd9bee;
  color: #d6d6be;
}