* {
  margin: 0;
  padding: 0;
}

body {
  height: 100vh;
  background: #000000;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

main {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

section{
  width: 50%;
  display: flex;
  justify-content: center;
}

.button-curso {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.link-exercicio {
  text-decoration: none;
  background: rgb(250, 2, 60);
  padding: 1rem 2rem;
  border-radius: 0.87rem;
  color: aliceblue;
  font-family: sans-serif;
  font-weight: 500;
  font-size: 1rem;
  margin-bottom: 2rem;
  margin-right: 2rem;
}

.link-exercicio:hover {
  background: green;
}

main > a {
  text-decoration: none;
  background: green;
  padding: 1rem 2rem;
  border-radius: 0.87rem;
  color: aliceblue;
  font-family: sans-serif;
  font-weight: 500;
  font-size: 1rem;
  margin-bottom: 2rem;
}

main a:hover {
  background: rgb(250, 2, 60);
}