html,
body {
  text-align: center;
  font-family: 'Avenir Next', 'Helvetica', 'Arial', sans-serif;
}

html,
body,
li,
form,
ul {
  padding: 0;
  margin: 0;
}

form {
  padding-bottom: 2%;
}
ul {
  display: flex;
  flex-direction: column-reverse;
}

li {
  list-style: none;
  width: 100vw;
}

li:nth-child(odd) {
  background: #eee;
}