* {
  margin: 0;
  padding: 0;
}

body {
  background-image: linear-gradient(blue, yellow);
  background-size: cover;
  height: 100vh;
}

.conteiner {
  background-color: rgb(238, 255, 0);
  width: 100%;
}

* {
  margin: 0 auto;
  padding: 15;
}

nav li {
  display: inline-block;
}

nav a {
  text-decoration: none;
  margin: 10px;
  font-size: 20px;
  color: grey;
  line-height: 200px;
}

img {
  height: 200px;
  float: left;
}

nav {
  float: right;
}

li a:hover {
  color: black;
}