#page-container {
  text-align: center;
  padding: 20px;
}

.center {
  display:block;
  margin-left: auto;
  margin-right: auto;
}


ul {
  color:black;
  display: table;
  margin: 0 auto;
  text-align: left;
}

h1 {color:teal}
li {color:coral}