#page-container {
  background: linear-gradient(to left,#00e0ff,#0058F7);
  text-align: center;
  padding: 20px;
}

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

.parent
{
  text-align: center;
}
.parent > ul
{
  display: inline-block;
}
ul {
  color: black;
  list-style-position: inside;
}
h1
{
color: #4400c8
}
div
{
border:solid black 10px;
width:1400;
padding:40px;
margin:40px;
}
h2
{
color: #4400c8
}