/* CSS Document */
body {
  <!--background-color: #FFC000;-->
  background-color: #DBE9FA;
  text-align: center;

}

aside {
  width: auto;
  padding-right: 60px;
  
  float: right;
   
}


h1 {
  font-family: Ink Free;
  color: white;
  text-align: center;
  
}

p {
  font-family: Ink Free;
  font-size: 18px;
}

{
  box-sizing: border-box;
}

body {
  font-family:  Ink Free;
}

/* Style the header */
header {
  background-color: #4863A0;
  
  padding: 10px;
  text-align: center;
  font-size: 35px;
  color: white;
}
heder tab {
padding: 100px;
}
<style>
a:link    {color: red}
a:visited    {color: white}
a:active    {color: purpel}
</style>

header li {
  font-family: Ink Free;
  font: white;
  font-size: 28px;
  list-style-type: none;
  padding: 20px;
}
/* Create two columns/boxes that floats next to each other */
nav {
  float: left;
  width: 25%;
  height: 300px; /* only for demonstration, should be removed */
  background: #728FCE;
  padding: 20px;
}

/* Style the list inside the menu */
ul {
  font-family: Ink Free;
  color: white;
  font-size: 18px;
  list-style-type: none;
  padding: 20px;
}

li{
  margin: 20px;
  font-family: Ink Free;
  color: white;
}

article {
  
  margin-right: 10px;

  width: 100%;
  background-color: #DBE9FA;
  <!--height: 300px; /* only for demonstration, should be removed */ -->
}

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

/* Style the footer */
footer {
  background-color: #4863A0;
  padding: 10px;
  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 {
    width: 100%;
    height: auto;
}