h1 {
  text-align: center;
  color: white;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

ul {
  list-style-type: none;
  margin: 0px;
  padding: 0px;
  overflow: hidden;
  background: linear-gradient(90deg, #bf3b65, #86A3E2);
  text-align: center;
}

li {
  display: inline-block;
}

li a {
  display: block;
  color: white;
  padding: 15px;
  text-decoration: none;
}

li a:hover {
 background: #5e729e;
}

.content {
  width: 640px;
  background: Beige;
  border: 10px solid;
  border-image: linear-gradient(90deg, #bf3b65, #86A3E2) 1;
  border-bottom: none;
  text-align: center;
}

footer {
  width: 650px;
  padding: 5px;
  color: white;
  text-align: center;
  background: linear-gradient(90deg, #bf3b65, #86A3E2);
}

html {
  min-height:100%;
}

body {
  background: #404040;
  margin: 0;
}