* {
  font-family: "Source Code Pro", monospace;
}

html {
  height: 100%;
  width: 100%;
  background-color: cornflowerblue;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* start of nav css */

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

li {
  float: left;
}

li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

/* Change the link color to #111 (black) on hover */
li a:hover {
  background-color: #3B4C88;
}

/* end of nav css */

hr {
    display: block;
    height: 1px;
    border: 0;
    border-top: 1px solid black;
    margin: 1em 0;
    padding: 0;
}

.header h1 {
  font-weight: lighter;
}

.container {
    display: flex;
    color:white;
}

.column {
    flex: 1;
    padding: 20px
}