* {
  box-sizing: border-box;
}

html, body {
  font-family: Arial, sans-serif;
  background-color: #f7f7f7;
  margin: 0px 0px 0px auto;
}

header {
  background-color: #333;
  color: #fff;

	nav {

		h1 {
    	margin: 0px 0px 0px 0px;
    	padding: 0.2em 2em 0.2em 2em;
		}

    ul {
      list-style-type: none;
    }

    li {
      display: inline;
      padding-left: 1.5em;
      padding-right: 1.5em;
      padding-top: 3px;
      padding-bottom: 3px;
    }

    li a {
      color: #fff;
      text-decoration: none;
    }

    li:hover {
      background-image: linear-gradient(to right, #333, #666, #666, #333);
      border-bottom: 2px solid;
      border-bottom-right-radius: 6px;	
      border-bottom-left-radius: 6px;
    }
	}

}

section {
  margin-left: auto;
  margin-right: auto;
	margin-bottom: 5em;
  text-align: center;
  max-width: 800px;
  color: #333;
  max-width: 800px;

  h2 {
    margin-bottom: 1em;
  }

  .items {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .item {
    flex: 0 0 calc(33.333% - 30px);
    padding: 20px;
    margin-bottom: 0px;

    h3 {
      margin-bottom: 10px;
    }

  }

}

footer {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 20px 0;
}