* {
  box-sizing: border-box;
}

body {
  font-family: Arial;
  padding: 10px;
  background: #EBEBEB;
}

header {
  padding: 30px;
  text-align: center;
  background: white;
}

header h1 {
  font-size: 50px;
  font-family: Segoe Script;
}

nav {
  overflow: hidden;
  background-color: #0cb4e1;
}

nav a {
  float: left;
  display: block;
  color: black;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-family: Bahnschrift SemiBold;
  font-size: 16px;
}

nav a:hover {
  background-color: #5E17A6;
  color: white;
}

.dropdown {
  float: left;
  overflow: hidden;
}

.dropdown .dropbtn {
  display: block;
  font-size: 16px;  
  border: none;
  outline: none;
  color: black;
  padding: 14px 16px;
  background-color: inherit;
  font-family: Bahnschrift SemiBold;
}

.dropdown:hover .dropbtn {
  background-color: #5E17A6;
  color: white;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

.dropdown-content a {
  float: none;
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
}

.dropdown-content a:hover {
  background-color: #ddd;
}

.dropdown:hover .dropdown-content {
  display: block;
}

/* Left section */
section{   
  float: left;
  width: 75%;
}

/* Right section */
aside {
  float: left;
  width: 25%;
  background-color: #EBEBEB;
  padding-left: 20px;
}

h2 {
	font-family: Bahnschrift SemiBold;
}

h3 {
	font-family: Bahnschrift SemiBold;
}

h4 {
	font-family: Bahnschrift SemiBold;
}

h5 {
	font-family: Bahnschrift SemiBold;
}

h6 {
	font-family: Bahnschrift SemiBold;	
}

article {
  background-color: white;
  padding: 20px;
  margin-top: 20px;
}

main {
  content: "";
  display: table;
  clear: both;
}

footer {
  padding: 20px;
  text-align: center;
  background: #0cb4e1;
  margin-top: 20px;
}

/* Responsive layout  */
@media screen and (max-width: 800px) {
  section, aside {   
    width: 100%;
    padding: 0;
  }
}

/* Responsive layout */
@media screen and (max-width: 400px) {
 nav a {
    float: none;
    width: 100%;
  }
}