/* An internal CSS is used to define a style for a single HTML page */
* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
}

/* Style the header */
header {
  background-color: #5374E8;
  padding: 1px;
  text-align: left;
  font-size: 35px;
  color: white;
}

/* Create two columns/boxes that floats next to each other */
nav {
  float: left;
  width: 26%;
/*  height: 400px;  only for demonstration, should be removed */
  background: #67BCF4;
  text-align: center;
  padding: 20px;
}

/* Style the list inside the menu */
nav ul {
  list-style-type: none;
  padding: 0;
}

article {
  float: left;
  padding: 20px;
  width: 74%;
  background-color: #F0EDF1;
/*  height: 400px;  only for demonstration, should be removed */
}

article1 {
  float: left;
  padding: 20px;
  width: 26%;
  background-color: #F0EDF1;
}

article2 {
  float: left;
  padding: 20px;
  width: 49%;
  background-color: #F0EDF1;
}

article3 {
  float: left;
  padding: 20px;
  width: 22%;
  background-color: #F0EDF1;
}

/* Clear floats after the columns */
section:after {
  content: "";
  display: table;
  clear: both;
}

/* Style the footer */
footer {
  background-color: #5374E8;
  padding: 1px;
  text-align: center;
  color: white;
}

/* Responsive layout - makes the two columns/boxes stack on top of each other instead of next to each other, on small screens */
@media (max-width: 600px) {
  nav, article, article1, article2, article3 {
    width: 100%;
    height: auto;
  }
}