html {
  height: 100%;
  box-sizing: border-box;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

body {
  position: relative;
  margin: 0;
  padding-bottom: 6rem;
  min-height: 100%;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

header {
  top: 0;
  left: 0;
  padding: 1rem;
  background-color: #efefef;
  text-align: center;
}

article {
  margin: 0 auto;
  padding-top: 64px;
  max-width: 1280px;
}

/**
 * Footer Styles
 */

footer {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 1rem;
  background-color: #efefef;
  text-align: center;
}

a {
  color: #000;
}


.navigation {
  display: flex;
  flex-flow: row wrap;
  justify-content: flex-end;

  list-style: none;
  margin: 0;
}

.navigation a {
  text-decoration: none;
  display: block;
  padding: 1em;
  color: black;
}

.navigation a:hover {
  color: #ccc;
}

@media all and (max-width: 800px) {
  .navigation {
    justify-content: space-around;
  }
}

@media all and (max-width: 600px) {
  .navigation {
    flex-flow: column wrap;
    padding: 0;
  }
  .navigation a {
    text-align: center;
    padding: 10px;
    border-top: 1px solid rgba(255, 255, 255,0.3);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  }
  .navigation li:last-of-type a {
    border-bottom: none;
  }
}

.list-a li {
  padding: 10px 0;
}


article ul li {
  margin-bottom: 10px;
}